Revert of autofill: switch autofill_regexes to RE2 library

components/autofill.gypi

 # Copyright (c) 2013 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': [
     {
       # GN version: //components/autofill/core/common
       'target_name': 'autofill_core_common',
       'type': 'static_library',
       'dependencies': [
         '../base/base.gyp:base',
         '../base/base.gyp:base_i18n',
-        '../third_party/re2/re2.gyp:re2',
         '../ui/base/ui_base.gyp:ui_base',
         '../ui/gfx/gfx.gyp:gfx',
         '../url/url.gyp:url_lib',
       ],
       'include_dirs': [
         '..',
       ],
       'sources': [
         'autofill/core/common/autofill_constants.cc',
         'autofill/core/common/autofill_constants.h',
@@ skipping 468 matching lines @@
             ],
           },
           'includes': [
             '../ios/web/js_compile_checked.gypi',
           ],
         },
       ],
     }],
   ],
 }