Remove a few dead MSVS_VERSION checks.

testing/gtest.gyp

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'gtest',
       'type': 'static_library',
       'sources': [
@@ skipping 157 matching lines @@
             # automatically on android, so it has to be set explicitly here.
             'GTEST_HAS_TR1_TUPLE=1',
           ],
           'direct_dependent_settings': {
             'defines': [
               'GTEST_USE_OWN_TR1_TUPLE=1',
               'GTEST_HAS_TR1_TUPLE=1',
             ],
           },
         }],
-        ['OS=="win" and (MSVS_VERSION=="2012" or MSVS_VERSION=="2012e")', {
-          'defines': [
-            '_VARIADIC_MAX=10',
-          ],
-          'direct_dependent_settings': {
-            'defines': [
-              '_VARIADIC_MAX=10',
-            ],
-          },
-        }],
       ],
       'direct_dependent_settings': {
         'defines': [
           'UNIT_TEST',
         ],
         'include_dirs': [
           'gtest/include',  # So that gtest headers can find themselves.
         ],
         'target_conditions': [
           ['_type=="executable"', {
@@ skipping 39 matching lines @@
     {
       'target_name': 'gtest_prod',
       'toolsets': ['host', 'target'],
       'type': 'none',
       'sources': [
         'gtest/include/gtest/gtest_prod.h',
       ],
     },
   ],
 }