Update CHANGELOG.md

Co-authored-by: Riccardo Magliocchetti <[email protected]>

Author: lukeina2z

CHANGELOG.md

@@ -32,8 +32,6 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
   ([#3743](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3743))
 - Add `rstcheck` to pre-commit to stop introducing invalid RST
   ([#3777](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3777))
-- `opentelemetry-exporter-credential-provider-gcp`: create this package which provides support for supplying your machine's Application Default Credentials (https://cloud.google.com/docs/authentication/application-default-credentials) to the OTLP Exporters created automatically by OpenTelemetry Python's auto instrumentation. These credentials authorize OTLP traces to be sent to `telemetry.googleapis.com`. 
-[#3766](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3766).
 - `opentelemetry-instrumentation-botocore`: botocore: Add AWS_LAMBDA_RESOURCE_MAPPING_ID Semantic Convention Support for AWS Lambda SDK
   ([#3800](https://github.com/open-telemetry/opentelemetry-python-contrib/pull/3800))
 - `opentelemetry-exporter-credential-provider-gcp`: create this package which provides support for supplying your machine's Application Default