Remove all references to GYP

webrtc/modules/utility/utility.gypi

-# Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
-#
-# Use of this source code is governed by a BSD-style license
-# that can be found in the LICENSE file in the root of the source
-# tree. An additional intellectual property rights grant can be found
-# in the file PATENTS.  All contributing project authors may
-# be found in the AUTHORS file in the root of the source tree.
-
-{
-  'targets': [
-    {
-      'target_name': 'webrtc_utility',
-      'type': 'static_library',
-      'dependencies': [
-        'audio_coding_module',
-        'media_file',
-        '<(webrtc_root)/base/base.gyp:rtc_task_queue',
-        '<(webrtc_root)/common_audio/common_audio.gyp:common_audio',
-        '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers',
-      ],
-      'sources': [
-        'include/audio_frame_operations.h',
-        'include/file_player.h',
-        'include/file_recorder.h',
-        'include/helpers_android.h',
-        'include/helpers_ios.h',
-        'include/jvm_android.h',
-        'include/process_thread.h',
-        'source/audio_frame_operations.cc',
-        'source/coder.cc',
-        'source/coder.h',
-        'source/file_player.cc',
-        'source/file_recorder.cc',
-        'source/helpers_android.cc',
-        'source/helpers_ios.mm',
-        'source/jvm_android.cc',
-        'source/process_thread_impl.cc',
-        'source/process_thread_impl.h',
-      ],
-    },
-  ], # targets
-}