Remove second argument from python clobbering cmd on editor annotated steps

client/tools/buildbot_annotated_steps.py

 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 #!/usr/bin/python
 
 # Copyright (c) 2011 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.
 
@@ skipping 129 matching lines @@
     print java_home
 
 def ClobberBuilder():
   """ Clobber the builder before we do the build.
   Args:
      - mode: either 'debug' or 'release'
   """
   cmd = [sys.executable,
          './tools/clean_output_directory.py']
   print 'Clobbering %s' % (' '.join(cmd))
-  return subprocess.call(cmd, env=NO_COLOR_ENV)
+  return subprocess.call(cmd)
 
 def GetShouldClobber():
   return os.environ.get(BUILDER_CLOBBER) == "1"
 
 def main():
   print 'main'
   if len(sys.argv) == 0:
     print 'Script pathname not known, giving up.'
     return 1
 
@@ skipping 21 matching lines @@
     status = ProcessCompiler(name)
 
   if status:
     print '@@@STEP_FAILURE@@@'
 
   return status
 
 
 if __name__ == '__main__':
   sys.exit(main())