Remove GYP files.

ios/testing/ios_testing.gyp

Index: ios/testing/ios_testing.gyp
diff --git a/ios/testing/ios_testing.gyp b/ios/testing/ios_testing.gyp
deleted file mode 100644
index 80f09abcf61b94b70618af69bc140755611c2859..0000000000000000000000000000000000000000
--- a/ios/testing/ios_testing.gyp
+++ /dev/null
@@ -1,54 +0,0 @@
-# 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': [
-    {
-      # GN version: //ios/testing:ocmock_support
-      'target_name': 'ocmock_support',
-      'type': 'static_library',
-      'dependencies': [
-        '../../base/base.gyp:base',
-        '../../third_party/ocmock/ocmock.gyp:ocmock',
-        '../../third_party/google_toolbox_for_mac/google_toolbox_for_mac.gyp:google_toolbox_for_mac',
-      ],
-      'sources': [
-        'ocmock_complex_type_helper.h',
-        'ocmock_complex_type_helper.mm',
-      ],
-      'include_dirs': [
-        '../..',
-      ],
-      'export_dependent_settings': [
-        '../../third_party/google_toolbox_for_mac/google_toolbox_for_mac.gyp:google_toolbox_for_mac',
-      ],
-    },
-    {
-      # GN version: //ios/testing:ocmock_support_unittest
-      'target_name': 'ocmock_support_unittest',
-      'type': 'executable',
-      'variables': {
-        'ios_product_name': '<(_target_name)',
-      },
-      'sources': [
-        'ocmock_complex_type_helper_unittest.mm',
-      ],
-      'dependencies': [
-        'ocmock_support',
-        '../../base/base.gyp:run_all_unittests',
-        '../../base/base.gyp:test_support_base',
-        '../../testing/gmock.gyp:gmock',
-        '../../testing/gtest.gyp:gtest',
-        '../../testing/iossim/iossim.gyp:iossim#host',
-        '../../third_party/ocmock/ocmock.gyp:ocmock',
-      ],
-      'include_dirs': [
-        '../..',
-      ],
-      'xcode_settings': {'OTHER_LDFLAGS': ['-ObjC']},
-    },
-  ],
-}