[CI] Remove the macOS Github Actions linter job (#29575)

.gitlab/source_test/macos.yml

@@ -30,24 +30,6 @@ tests_macos:
     reports:
       junit: "**/junit-out-*.xml"
 
-lint_macos:
-  stage: source_test
-  rules:
-    - !reference [.except_mergequeue]
-    - when: on_success
-  image: 486234852809.dkr.ecr.us-east-1.amazonaws.com/ci/datadog-agent-buildimages/deb_x64$DATADOG_AGENT_BUILDIMAGES_SUFFIX:$DATADOG_AGENT_BUILDIMAGES
-  tags: ["arch:amd64"]
-  needs: ["setup_agent_version"]
-  variables:
-    PYTHON_RUNTIMES: "3"
-  timeout: 6h
-  script:
-    - !reference [.setup_macos_github_app]
-    - $S3_CP_CMD $S3_ARTIFACTS_URI/agent-version.cache .
-    - export VERSION_CACHE_CONTENT=$(cat agent-version.cache | base64 -)
-    - python3 -m pip install -r tasks/libs/requirements-github.txt
-    - inv -e github.trigger-macos --workflow-type "lint" --datadog-agent-ref "$CI_COMMIT_SHA" --python-runtimes "$PYTHON_RUNTIMES" --version-cache "$VERSION_CACHE_CONTENT"
-
 .macos_gitlab:
   variables:
     PYTHON_RUNTIMES: "3"