Remove all references to GYP

webrtc/modules/congestion_controller/congestion_controller.gypi

-# Copyright (c) 2016 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': 'congestion_controller',
-      'type': 'static_library',
-      'dependencies': [
-        '<(webrtc_root)/modules/modules.gyp:bitrate_controller',
-        '<(webrtc_root)/modules/modules.gyp:paced_sender',
-      ],
-      'sources': [
-        'congestion_controller.cc',
-        'delay_based_bwe.cc',
-        'delay_based_bwe.h',
-        'include/congestion_controller.h',
-        'probe_bitrate_estimator.cc',
-        'probe_bitrate_estimator.h',
-        'probe_controller.cc',
-        'probe_controller.h',
-        'transport_feedback_adapter.cc',
-        'transport_feedback_adapter.h',
-      ],
-      # TODO(jschuh): Bug 1348: fix size_t to int truncations.
-      'msvs_disabled_warnings': [ 4267, ],
-    },
-  ], # targets
-}