Get rid of pr comment test.

Author: devrev-jo

.github/workflows/global-checks.yml

@@ -18,10 +18,6 @@ jobs:
       - name: Load python requirements.
         run: |
           pip install strictyaml
-      - name: Emit some text via gh cli.
-        run: |
-          echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token
-          gh pr comment ${{ github.event.pull_request.number }} --body "This is a test message from GitHub Actions."
       - name: Check that there is a CODEOWNERS file
         run: |
           echo "Check whether the repo has a codeowners file"