Remove repo-level CODE_OF_CONDUCT.md (org policy) (#4491)

* Remove CODE_OF_CONDUCT.md

* fix: update Code of Conduct link in README.md

---------

Co-authored-by: ospo-compliance-bot[bot] <284105198+ospo-compliance-bot[bot]@users.noreply.github.com>
Co-authored-by: Nathaniel Caza <mastercactapus@gmail.com>

Author: ospo-compliance-bot[bot]

CODE_OF_CONDUCT.md

@@ -29,7 +29,7 @@ If you're using the demo container for integration testing:
 
 If you'd like to contribute to GoAlert, please see our [Contributing Guidelines](./CONTRIBUTING.md) and the [Development Setup Guide](./docs/development-setup.md).
 
-Please also see our [Code of Conduct](./CODE_OF_CONDUCT.md).
+Please also see our [Code of Conduct](https://github.com/target/.github/blob/main/CODE_OF_CONDUCT.md).
 
 For most purposes, you can use `make start` from the root of this repo to start a development server.