Gerrit git cl upload: Remove --no-squash warning message.

tests/git_cl_test.py

 #!/usr/bin/env python
 # Copyright (c) 2012 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 """Unit tests for git_cl.py."""
 
 import os
 import StringIO
 import stat
@@ skipping 747 matching lines @@
   @classmethod
   def _gerrit_upload_calls(cls, description, reviewers, squash,
                            expected_upstream_ref='origin/refs/heads/master',
                            ref_suffix='', notify=False,
                            post_amend_description=None, issue=None):
     if post_amend_description is None:
       post_amend_description = description
 
     calls = [
         ((['git', 'config', '--bool', 'gerrit.squash-uploads'],), 'false'),
-        ((['git', 'config', '--bool', 'gerrit.squash-uploads'],), 'false'),
     ]
     # If issue is given, then description is fetched from Gerrit instead.
     if issue is None:
       if squash:
         calls += [
           ((['git', 'show', '--format=%B', '-s',
              'refs/heads/git_cl_uploads/master'],), '')]
       calls += [
           ((['git', 'log', '--pretty=format:%s\n\n%b',
                    'fake_ancestor_sha..HEAD'],),
@@ skipping 850 matching lines @@
         ((['rm_file_or_tree', '/abs/git_repo_root/.git/hooks/commit-msg'],),
          ''),
     ]
     cl._codereview_impl._GerritCommitMsgHookCheck(offer_removal=True)
 
 
 if __name__ == '__main__':
   git_cl.logging.basicConfig(
       level=git_cl.logging.DEBUG if '-v' in sys.argv else git_cl.logging.ERROR)
   unittest.main()