doc: declutter generated README files (googleapis#10562)

Author: coryan

generator/internal/scaffold_generator.cc

@@ -232,25 +232,6 @@ This directory contains an idiomatic C++ client library for the
 $status$ note that the Google Cloud C++ client
 libraries do **not** follow [Semantic Versioning](https://semver.org/).
 
-## Supported Platforms
-
-* Windows, macOS, Linux
-* C++14 (and higher) compilers (we test with GCC >= 7.3, Clang >= 6.0, and
-  MSVC >= 2017)
-* Environments with or without exceptions
-* Bazel (>= 4.0) and CMake (>= 3.5) builds
-
-## Documentation
-
-* Official documentation about the [$title$][cloud-service-docs] service
-* [Reference doxygen documentation][doxygen-link] for each release of this
-  client library
-* Detailed header comments in our [public `.h`][source-link] files
-
-[cloud-service-docs]: https://cloud.google.com/$site_root$
-[doxygen-link]: https://googleapis.dev/cpp/google-cloud-$library$/latest/
-[source-link]: https://github.com/googleapis/google-cloud-cpp/tree/main/google/cloud/$library$
-
 ## Quickstart
 
 The [quickstart/](quickstart/README.md) directory contains a minimal environment
@@ -261,32 +242,16 @@ this library.
 <!-- inject-quickstart-start -->
 <!-- inject-quickstart-end -->
 
-* Packaging maintainers or developers who prefer to install the library in a
-  fixed directory (such as `/usr/local` or `/opt`) should consult the
-  [packaging guide](/doc/packaging.md).
-- Developers who prefer using a package manager such as
-  [vcpkg](https://vcpkg.io), [Conda](https://conda.io),
-  or [Conan](https://conan.io) should follow the instructions for their package
-  manager.
-* Developers wanting to use the libraries as part of a larger CMake or Bazel
-  project should consult the [quickstart guides](#quickstart) for the library
-  or libraries they want to use.
-* Developers wanting to compile the library just to run some examples or
-  tests should read the current document.
-* Contributors and developers to `google-cloud-cpp` should consult the guide to
-  [set up a development workstation][howto-setup-dev-workstation].
-
-[howto-setup-dev-workstation]: /doc/contributor/howto-guide-setup-development-workstation.md
-
-## Contributing changes
+## More Information
 
-See [`CONTRIBUTING.md`](/CONTRIBUTING.md) for details on how to
-contribute to this project, including how to build and test your changes
-as well as how to properly format your code.
-
-## Licensing
+* Official documentation about the [$title$][cloud-service-docs] service
+* [Reference doxygen documentation][doxygen-link] for each release of this
+  client library
+* Detailed header comments in our [public `.h`][source-link] files
 
-Apache 2.0; see [`LICENSE`](/LICENSE) for details.
+[cloud-service-docs]: https://cloud.google.com/$site_root$
+[doxygen-link]: https://googleapis.dev/cpp/google-cloud-$library$/latest/
+[source-link]: https://github.com/googleapis/google-cloud-cpp/tree/main/google/cloud/$library$
 )""";
   google::protobuf::io::OstreamOutputStream output(&os);
   google::protobuf::io::Printer printer(&output, '$');

google/cloud/accessapproval/README.md

@@ -7,28 +7,16 @@ data by Google personnel.
 While this library is **GA**, please note that the Google Cloud C++ client libraries do **not** follow
 [Semantic Versioning](https://semver.org/).
 
-## Supported Platforms
-
-- Windows, macOS, Linux
-- C++14 (and higher) compilers (we test with GCC >= 7.3, Clang >= 6.0, and
-  MSVC >= 2017)
-- Environments with or without exceptions
-- Bazel (>= 4.0) and CMake (>= 3.5) builds
-
-## Documentation
-
-- Official documentation about the [Access Approval API][cloud-service-docs] service
-- [Reference doxygen documentation][doxygen-link] for each release of this
-  client library
-- Detailed header comments in our [public `.h`][source-link] files
-
 ## Quickstart
 
 The [quickstart/](quickstart/README.md) directory contains a minimal environment
 to get started using this client library in a larger project. The following
 "Hello World" program is used in this quickstart, and should give you a taste of
 this library.
 
+For detailed instructions on how to build and install this library, see the
+top-level [README](/README.md#building-and-installing).
+
 <!-- inject-quickstart-start -->
 
 ```cc
@@ -60,28 +48,13 @@ int main(int argc, char* argv[]) try {
 
 <!-- inject-quickstart-end -->
 
-- Packaging maintainers or developers who prefer to install the library in a
-  fixed directory (such as `/usr/local` or `/opt`) should consult the
-  [packaging guide](/doc/packaging.md).
-- Developers wanting to use the libraries as part of a larger CMake or Bazel
-  project should consult the [quickstart guides](#quickstart) for the library
-  or libraries they want to use.
-- Developers wanting to compile the library just to run some examples or
-  tests should read the current document.
-- Contributors and developers to `google-cloud-cpp` should consult the guide to
-  [setup a development workstation][howto-setup-dev-workstation].
-
-## Contributing changes
-
-See [`CONTRIBUTING.md`](/CONTRIBUTING.md) for details on how to
-contribute to this project, including how to build and test your changes
-as well as how to properly format your code.
-
-## Licensing
+## More Information
 
-Apache 2.0; see [`LICENSE`](/LICENSE) for details.
+- Official documentation about the [Access Approval API][cloud-service-docs] service
+- [Reference doxygen documentation][doxygen-link] for each release of this
+  client library
+- Detailed header comments in our [public `.h`][source-link] files
 
 [cloud-service-docs]: https://cloud.google.com/access-approval
 [doxygen-link]: https://googleapis.dev/cpp/google-cloud-accessapproval/latest/
-[howto-setup-dev-workstation]: /doc/contributor/howto-guide-setup-development-workstation.md
 [source-link]: https://github.com/googleapis/google-cloud-cpp/tree/main/google/cloud/accessapproval

google/cloud/accesscontextmanager/README.md

@@ -7,28 +7,16 @@ attribute based access control on requests to GCP services.
 While this library is **GA**, please note that the Google Cloud C++ client libraries do **not** follow
 [Semantic Versioning](https://semver.org/).
 
-## Supported Platforms
-
-- Windows, macOS, Linux
-- C++14 (and higher) compilers (we test with GCC >= 7.3, Clang >= 6.0, and
-  MSVC >= 2017)
-- Environments with or without exceptions
-- Bazel (>= 4.0) and CMake (>= 3.5) builds
-
-## Documentation
-
-- Official documentation about the [Access Context Manager API][cloud-service-docs] service
-- [Reference doxygen documentation][doxygen-link] for each release of this
-  client library
-- Detailed header comments in our [public `.h`][source-link] files
-
 ## Quickstart
 
 The [quickstart/](quickstart/README.md) directory contains a minimal environment
 to get started using this client library in a larger project. The following
 "Hello World" program is used in this quickstart, and should give you a taste of
 this library.
 
+For detailed instructions on how to build and install this library, see the
+top-level [README](/README.md#building-and-installing).
+
 <!-- inject-quickstart-start -->
 
 ```cc
@@ -60,28 +48,13 @@ int main(int argc, char* argv[]) try {
 
 <!-- inject-quickstart-end -->
 
-- Packaging maintainers or developers who prefer to install the library in a
-  fixed directory (such as `/usr/local` or `/opt`) should consult the
-  [packaging guide](/doc/packaging.md).
-- Developers wanting to use the libraries as part of a larger CMake or Bazel
-  project should consult the [quickstart guides](#quickstart) for the library
-  or libraries they want to use.
-- Developers wanting to compile the library just to run some examples or
-  tests should read the current document.
-- Contributors and developers to `google-cloud-cpp` should consult the guide to
-  [setup a development workstation][howto-setup-dev-workstation].
-
-## Contributing changes
-
-See [`CONTRIBUTING.md`](/CONTRIBUTING.md) for details on how to
-contribute to this project, including how to build and test your changes
-as well as how to properly format your code.
-
-## Licensing
+## More Information
 
-Apache 2.0; see [`LICENSE`](/LICENSE) for details.
+- Official documentation about the [Access Context Manager API][cloud-service-docs] service
+- [Reference doxygen documentation][doxygen-link] for each release of this
+  client library
+- Detailed header comments in our [public `.h`][source-link] files
 
 [cloud-service-docs]: https://cloud.google.com/access-context-manager
 [doxygen-link]: https://googleapis.dev/cpp/google-cloud-accesscontextmanager/latest/
-[howto-setup-dev-workstation]: /doc/contributor/howto-guide-setup-development-workstation.md
 [source-link]: https://github.com/googleapis/google-cloud-cpp/tree/main/google/cloud/accesscontextmanager

google/cloud/apigateway/README.md

@@ -7,28 +7,16 @@ manage APIs with a fully managed gateway.
 While this library is **GA**, please note that the Google Cloud C++ client libraries do **not** follow
 [Semantic Versioning](https://semver.org/).
 
-## Supported Platforms
-
-- Windows, macOS, Linux
-- C++14 (and higher) compilers (we test with GCC >= 7.3, Clang >= 6.0, and
-  MSVC >= 2017)
-- Environments with or without exceptions
-- Bazel (>= 4.0) and CMake (>= 3.5) builds
-
-## Documentation
-
-- Official documentation about the [API Gateway API][cloud-service-docs] service
-- [Reference doxygen documentation][doxygen-link] for each release of this
-  client library
-- Detailed header comments in our [public `.h`][source-link] files
-
 ## Quickstart
 
 The [quickstart/](quickstart/README.md) directory contains a minimal environment
 to get started using this client library in a larger project. The following
 "Hello World" program is used in this quickstart, and should give you a taste of
 this library.
 
+For detailed instructions on how to build and install this library, see the
+top-level [README](/README.md#building-and-installing).
+
 <!-- inject-quickstart-start -->
 
 ```cc
@@ -61,28 +49,13 @@ int main(int argc, char* argv[]) try {
 
 <!-- inject-quickstart-end -->
 
-- Packaging maintainers or developers who prefer to install the library in a
-  fixed directory (such as `/usr/local` or `/opt`) should consult the
-  [packaging guide](/doc/packaging.md).
-- Developers wanting to use the libraries as part of a larger CMake or Bazel
-  project should consult the [quickstart guides](#quickstart) for the library
-  or libraries they want to use.
-- Developers wanting to compile the library just to run some examples or
-  tests should read the current document.
-- Contributors and developers to `google-cloud-cpp` should consult the guide to
-  [setup a development workstation][howto-setup-dev-workstation].
-
-## Contributing changes
-
-See [`CONTRIBUTING.md`](/CONTRIBUTING.md) for details on how to
-contribute to this project, including how to build and test your changes
-as well as how to properly format your code.
-
-## Licensing
+## More Information
 
-Apache 2.0; see [`LICENSE`](/LICENSE) for details.
+- Official documentation about the [API Gateway API][cloud-service-docs] service
+- [Reference doxygen documentation][doxygen-link] for each release of this
+  client library
+- Detailed header comments in our [public `.h`][source-link] files
 
 [cloud-service-docs]: https://cloud.google.com/api-gateway
 [doxygen-link]: https://googleapis.dev/cpp/google-cloud-apigateway/latest/
-[howto-setup-dev-workstation]: /doc/contributor/howto-guide-setup-development-workstation.md
 [source-link]: https://github.com/googleapis/google-cloud-cpp/tree/main/google/cloud/apigateway

google/cloud/apigeeconnect/README.md

@@ -14,28 +14,16 @@ This library is **experimental**. Its APIs are subject to change without notice.
 While this library is **GA**, please note that the Google Cloud C++ client libraries do **not** follow
 [Semantic Versioning](https://semver.org/).
 
-## Supported Platforms
-
-- Windows, macOS, Linux
-- C++14 (and higher) compilers (we test with GCC >= 7.3, Clang >= 6.0, and
-  MSVC >= 2017)
-- Environments with or without exceptions
-- Bazel (>= 4.0) and CMake (>= 3.5) builds
-
-## Documentation
-
-- Official documentation about the [Apigee Connect API][cloud-service-docs] service
-- [Reference doxygen documentation][doxygen-link] for each release of this
-  client library
-- Detailed header comments in our [public `.h`][source-link] files
-
 ## Quickstart
 
 The [quickstart/](quickstart/README.md) directory contains a minimal environment
 to get started using this client library in a larger project. The following
 "Hello World" program is used in this quickstart, and should give you a taste of
 this library.
 
+For detailed instructions on how to build and install this library, see the
+top-level [README](/README.md#building-and-installing).
+
 <!-- inject-quickstart-start -->
 
 ```cc
@@ -68,28 +56,13 @@ int main(int argc, char* argv[]) try {
 
 <!-- inject-quickstart-end -->
 
-- Packaging maintainers or developers who prefer to install the library in a
-  fixed directory (such as `/usr/local` or `/opt`) should consult the
-  [packaging guide](/doc/packaging.md).
-- Developers wanting to use the libraries as part of a larger CMake or Bazel
-  project should consult the [quickstart guides](#quickstart) for the library
-  or libraries they want to use.
-- Developers wanting to compile the library just to run some examples or
-  tests should read the current document.
-- Contributors and developers to `google-cloud-cpp` should consult the guide to
-  [setup a development workstation][howto-setup-dev-workstation].
-
-## Contributing changes
-
-See [`CONTRIBUTING.md`](/CONTRIBUTING.md) for details on how to
-contribute to this project, including how to build and test your changes
-as well as how to properly format your code.
-
-## Licensing
+## More Information
 
-Apache 2.0; see [`LICENSE`](/LICENSE) for details.
+- Official documentation about the [Apigee Connect API][cloud-service-docs] service
+- [Reference doxygen documentation][doxygen-link] for each release of this
+  client library
+- Detailed header comments in our [public `.h`][source-link] files
 
 [cloud-service-docs]: https://cloud.google.com/apigee/docs/hybrid/
 [doxygen-link]: https://googleapis.dev/cpp/google-cloud-apigeeconnect/latest/
-[howto-setup-dev-workstation]: /doc/contributor/howto-guide-setup-development-workstation.md
 [source-link]: https://github.com/googleapis/google-cloud-cpp/tree/main/google/cloud/apigeeconnect