Remove all references to GYP

webrtc/modules/video_coding/codecs/test/video_codecs_test_framework.gypi

-# Copyright (c) 2012 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.
-
-{
-  'conditions': [
-    ['include_tests==1', {
-      'targets': [
-        {
-          'target_name': 'video_codecs_test_framework',
-          'type': 'static_library',
-          'dependencies': [
-            '<(webrtc_root)/test/test.gyp:test_support',
-          ],
-          'sources': [
-            'mock/mock_packet_manipulator.h',
-            'packet_manipulator.h',
-            'packet_manipulator.cc',
-            'predictive_packet_manipulator.h',
-            'predictive_packet_manipulator.cc',
-            'stats.h',
-            'stats.cc',
-            'videoprocessor.h',
-            'videoprocessor.cc',
-          ],
-        },
-      ], # targets
-    }], # include_tests
-  ], # conditions
-}