Update .github/workflows/librarian_library_generation.yaml

Co-authored-by: Min Zhu <zhumin@google.com>

Author: sofisl

.github/workflows/librarian_library_generation.yaml

@@ -88,5 +88,4 @@ jobs:
     - name: Check for generated code changes
       if: env.SHOULD_RUN == 'true'
       run: |
-        # Fail if librarian generate produced any diff against the checked out code (which was generated by hermetic build)
         git diff --exit-code