Remove all old suspension logic.

webrtc/modules/video_coding/include/video_coding.h

Index: webrtc/modules/video_coding/include/video_coding.h
diff --git a/webrtc/modules/video_coding/include/video_coding.h b/webrtc/modules/video_coding/include/video_coding.h
index 611206e325d2da7a284cc54ceb08de9a9d8fa003..062dda70806986d2497c4f8688021229e868d725 100644
--- a/webrtc/modules/video_coding/include/video_coding.h
+++ b/webrtc/modules/video_coding/include/video_coding.h
@@ -472,15 +472,6 @@ class VideoCodingModule : public Module {
   // delayed by at least desired_delay_ms.
   virtual int SetMinReceiverDelay(int desired_delay_ms) = 0;
 
-  // Lets the sender suspend video when the rate drops below
-  // |threshold_bps|, and turns back on when the rate goes back up above
-  // |threshold_bps| + |window_bps|.
-  virtual void SuspendBelowMinBitrate() = 0;
-
-  // Returns true if SuspendBelowMinBitrate is engaged and the video has been
-  // suspended due to bandwidth limitations; otherwise false.
-  virtual bool VideoSuspended() const = 0;
-
   virtual void RegisterPostEncodeImageCallback(
       EncodedImageCallback* post_encode_callback) = 0;
   // Releases pending decode calls, permitting faster thread shutdown.