Remove the Syzygy optimization alternative from GYP configs.

chrome/chrome.gyp

 # 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.
 {
   'variables': {
     'chromium_code': 1,
 
     'variables': {
       'version_py_path': 'tools/build/version.py',
       'version_path': 'VERSION',
@@ skipping 106 matching lines @@
     # By using an include, we keep everything in a single xcodeproj file.
     # Note on Win64 targets: targets that end with win64 be used
     # on 64-bit Windows only. Targets that end with nacl_win64 should be used
     # by Native Client only.
     '../build/win_precompile.gypi',
     'app/policy/policy_templates.gypi',
     'chrome_browser.gypi',
     'chrome_common.gypi',
     'chrome_dll.gypi',
     'chrome_exe.gypi',
-    'chrome_dll_syzygy.gypi',  # This must follow chrome_dll and chrome_exe.
     'chrome_installer.gypi',
     'chrome_installer_util.gypi',
     'chrome_renderer.gypi',
     'chrome_tests.gypi',
     'common_constants.gypi',
     'nacl.gypi',
   ],
   'targets': [
     {
       'target_name': 'default_extensions',
@@ skipping 1180 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ]},  # 'targets'
     ],  # OS=="win"
   ],  # 'conditions'
 }