Remove all old suspension logic.

webrtc/modules/video_coding/video_coding_impl.cc

 /*
  *  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.
  */
 
@@ skipping 134 matching lines @@
   }
 
   int32_t IntraFrameRequest(size_t stream_index) override {
     return sender_.IntraFrameRequest(stream_index);
   }
 
   int32_t EnableFrameDropper(bool enable) override {
     return sender_.EnableFrameDropper(enable);
   }
 
-  void SuspendBelowMinBitrate() override {
-    return sender_.SuspendBelowMinBitrate();
-  }
-
-  bool VideoSuspended() const override { return sender_.VideoSuspended(); }
-
   int32_t RegisterReceiveCodec(const VideoCodec* receiveCodec,
                                int32_t numberOfCores,
                                bool requireKeyFrame) override {
     return receiver_.RegisterReceiveCodec(receiveCodec, numberOfCores,
                                           requireKeyFrame);
   }
 
   void RegisterExternalDecoder(VideoDecoder* externalDecoder,
                                uint8_t payloadType) override {
     receiver_.RegisterExternalDecoder(externalDecoder, payloadType);
@@ skipping 139 matching lines @@
     EventFactory* event_factory,
     NackSender* nack_sender,
     KeyFrameRequestSender* keyframe_request_sender) {
   assert(clock);
   assert(event_factory);
   return new VideoCodingModuleImpl(clock, event_factory, nullptr, nack_sender,
                                    keyframe_request_sender, nullptr);
 }
 
 }  // namespace webrtc