Remove all gyp[i] files in //chrome

chrome/browser/extensions/api/api_registration.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.
-
-{
-  'targets': [
-    {
-      # GN version: //chrome/browser/extensions/api:api_registration
-      'target_name': 'chrome_api_registration',
-      'type': 'static_library',
-      # TODO(jschuh): http://crbug.com/167187 size_t -> int
-      'msvs_disabled_warnings': [ 4267 ],
-      'includes': [
-        '../../../../build/json_schema_bundle_registration_compile.gypi',
-        '../../../common/extensions/api/schemas.gypi',
-      ],
-      'dependencies': [
-        '<(DEPTH)/chrome/common/extensions/api/api.gyp:chrome_api',
-
-        # Different APIs include headers from these targets.
-        "<(DEPTH)/content/content.gyp:content_browser",
-
-        # Different APIs include some headers from chrome/common that in turn
-        # include generated headers from these targets.
-        # TODO(brettw) this should be made unnecessary if possible.
-        '<(DEPTH)/components/components.gyp:component_metrics_proto',
-        '<(DEPTH)/skia/skia.gyp:skia',
-        '<(DEPTH)/components/sync.gyp:sync',
-        '<(DEPTH)/ui/accessibility/accessibility.gyp:ax_gen',
-      ],
-      'conditions': [
-        ['chromeos==1', {
-          'dependencies': [
-            '<(DEPTH)/components/components.gyp:drive_proto',
-          ],
-        }],
-      ],
-    },
-  ],
-}