message: protoxform: remove duplicate test run
diff: @@ -135,7 +135,6 @@ if __name__ == "__main__":
  path, filename = PathAndFilename(target)
  messages += Run(cmd, path, filename, 'active_or_frozen')
  messages += Run(cmd, path, filename, 'next_major_version_candidate')
  - messages += Run(cmd, path, filename, 'next_major_version_candidate')
  messages += Run(cmd, path, filename, 'next_major_version_candidate.envoy_internal')
  if len(messages) == 0:
  