Remove GYP files from components.

components/data_usage.gypi

-# Copyright 2015 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': 'data_usage_core',
-      'type': 'static_library',
-      'dependencies': [
-        '../base/base.gyp:base',
-        '../net/net.gyp:net',
-        '../url/url.gyp:url_lib',
-      ],
-      'sources': [
-        'data_usage/core/data_use.cc',
-        'data_usage/core/data_use.h',
-        'data_usage/core/data_use_aggregator.cc',
-        'data_usage/core/data_use_aggregator.h',
-        'data_usage/core/data_use_amortizer.h',
-        'data_usage/core/data_use_annotator.h',
-      ]
-    },
-  ],
-  'conditions': [
-    ['OS=="android"', {
-      'targets': [
-        {
-          'target_name': 'data_usage_android',
-          'type': 'static_library',
-          'dependencies': [
-            ':data_usage_core',
-            '../base/base.gyp:base',
-            '../net/net.gyp:net',
-            '../url/url.gyp:url_lib',
-          ],
-          'sources': [
-            'data_usage/android/traffic_stats_amortizer.cc',
-            'data_usage/android/traffic_stats_amortizer.h',
-          ]
-        },
-      ]
-    }],  # OS=="android"
-  ],
-}