Force inclusion of build/common.gypi for all chromium gyp files.

rlz/rlz.gyp

 # Copyright (c) 2009 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.
 
 {
-  'includes': [
-    '../build/common.gypi',
-  ],
   'conditions': [
     [ 'OS == "win"', {
       'targets': [
         {
           'target_name': 'rlz',
           'type': 'none',
           'msvs_guid': 'BF4F447B-72B5-4059-BE1B-F94337B1F385',
           'conditions': [
             ['branding == "Chrome"', {
               'copies': [
                 {
                   'destination': '<(PRODUCT_DIR)',
                   'files': [
                     'binaries/rlz.dll',
                     'binaries/rlz_dll.pdb',
                   ],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }