Remove simulcast bitrate modes.

talk/media/webrtc/webrtcvideoengine2.cc

 /*
  * libjingle
  * Copyright 2014 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 414 matching lines @@
 std::vector<webrtc::VideoStream>
 WebRtcVideoChannel2::WebRtcVideoSendStream::CreateSimulcastVideoStreams(
     const VideoCodec& codec,
     const VideoOptions& options,
     int max_bitrate_bps,
     size_t num_streams) {
   int max_qp = kDefaultQpMax;
   codec.GetParam(kCodecParamMaxQuantization, &max_qp);
 
   return GetSimulcastConfig(
-      num_streams, GetSimulcastBitrateMode(options), codec.width, codec.height,
-      max_bitrate_bps, max_qp,
+      num_streams, codec.width, codec.height, max_bitrate_bps, max_qp,
       codec.framerate != 0 ? codec.framerate : kDefaultVideoMaxFramerate);
 }
 
 std::vector<webrtc::VideoStream>
 WebRtcVideoChannel2::WebRtcVideoSendStream::CreateVideoStreams(
     const VideoCodec& codec,
     const VideoOptions& options,
     int max_bitrate_bps,
     size_t num_streams) {
   int codec_max_bitrate_kbps;
@@ skipping 2285 matching lines @@
       video_codecs[i].rtx_payload_type = rtx_mapping[video_codecs[i].codec.id];
     }
   }
 
   return video_codecs;
 }
 
 }  // namespace cricket
 
 #endif  // HAVE_WEBRTC_VIDEO