Remove GardeningServer.

Tools/GardeningServer/tests.py

-#!/usr/bin/env python
-
-# Copyright 2014 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.
-
-import os
-import sys
-import unittest
-
-
-_gae_sdk_not_on_python_path_message = '''
-    You must include the google_appengine SDK directory on PYTHONPATH.
-'''
-
-
-_webtest_not_installed_message = '''
-    Could not load webtest python module. You may need to:
-    sudo apt-get python-webtest
-'''
-
-
-def main():
-    try:
-        import dev_appserver
-    except ImportError:
-        print >> sys.stderr, _gae_sdk_not_on_python_path_message
-        raise
-
-    dev_appserver.fix_sys_path()
-
-    try:
-        import webtest
-    except ImportError:
-        print >> sys.stderr, _webtest_not_installed_message
-        raise
-
-    tests_path = os.path.dirname(sys.modules[__name__].__file__)
-    suite = unittest.loader.TestLoader().discover(tests_path,
-                                                  pattern='*_test.py')
-    unittest.TextTestRunner(verbosity=2).run(suite)
-
-
-if __name__ == '__main__':
-    main()