Removed private web_test_suite.h header as unused.

ios/web/ios_web.gyp

 # Copyright 2014 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,
    },
   'targets': [
     {
@@ skipping 502 matching lines @@
         'test/crw_fake_web_controller_observer.h',
         'test/crw_fake_web_controller_observer.mm',
         'test/test_url_constants.cc',
         'test/test_url_constants.h',
         'test/test_web_thread.cc',
         'test/test_web_thread_bundle.cc',
         'test/web_int_test.h',
         'test/web_int_test.mm',
         'test/web_test_with_web_controller.h',
         'test/web_test_with_web_controller.mm',
-        'test/web_test_suite.h',
         'test/web_test_suite.mm',
         'test/wk_web_view_crash_utils.h',
         'test/wk_web_view_crash_utils.mm',
       ],
     },
     {
       # GN version: //ios/web/test:mojo_bindings
       'target_name': 'test_mojo_bindings_mojom',
       'type': 'none',
       'variables': {
@@ skipping 29 matching lines @@
       'dependencies': [
         '../../base/base.gyp:base'
       ],
       'sources': [
         'public/user_agent.h',
         'public/user_agent.mm',
       ],
     },
   ],
 }