chore: Update protobuf files (#27)

* envoy-types: collect updated protos

* envoy-types: update generated files

* envoy-types: adjust `tests/bootstrap`

Use `protoc`'s response file feature to avoid command-line length limits
on Windows.

* adjust `.gitignore`

* envoy-proto-collect: remove `opencensus-proto` submodule

* envoy-proto-collect: remove `opencensus` proto collection

* envoy-types: delete unused `opencensus` protos

* envoy-types: adjust `test/bootstrap`'s `INCLUDE_PATHS`

* envoy-types: remove deprecated generated files

Author: flemosr

.gitignore

@@ -3,3 +3,6 @@
 **/.vscode
 **/.idea
 Cargo.lock
+
+# Artifact generated by `envoy-types/tests/bootstrap.rs`
+envoy-types/src/generated/protoc_args.txt

.gitmodules

@@ -10,9 +10,6 @@
 [submodule "submodules/googleapis"]
 	path = envoy-proto-collect/submodules/googleapis
 	url = https://github.com/googleapis/googleapis
-[submodule "submodules/opencensus-proto"]
-	path = envoy-proto-collect/submodules/opencensus-proto
-	url = https://github.com/census-instrumentation/opencensus-proto
 [submodule "submodules/opentelemetry-proto"]
 	path = envoy-proto-collect/submodules/opentelemetry-proto
 	url = https://github.com/open-telemetry/opentelemetry-proto

envoy-proto-collect/src/main.rs

@@ -172,17 +172,6 @@ fn main() {
         None,
     );
 
-    // Files from `opencensus-proto` already have an Apache-2.0 declaration
-    collect_protos(
-        &out_dir,
-        "opencensus-proto",
-        vec![
-            "**/opencensus/proto/resource/v1/resource.proto",
-            "**/opencensus/proto/trace/v1/*.proto",
-        ],
-        None,
-    );
-
     // Files from `opentelemetry-proto` already have an Apache-2.0 declaration
     collect_protos(
         &out_dir,