Remove redudant encoder rate calls.

webrtc/modules/video_coding/main/source/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 115 matching lines @@
     return sender_->SendCodecBlocking();
   }
 
   int32_t RegisterExternalEncoder(VideoEncoder* externalEncoder,
                                   uint8_t payloadType,
                                   bool internalSource) override {
     return sender_->RegisterExternalEncoder(
         externalEncoder, payloadType, internalSource);
   }
 
-  int32_t CodecConfigParameters(uint8_t* buffer, int32_t size) override {
-    return sender_->CodecConfigParameters(buffer, size);
-  }
-
   int Bitrate(unsigned int* bitrate) const override {
     return sender_->Bitrate(bitrate);
   }
 
   int FrameRate(unsigned int* framerate) const override {
     return sender_->FrameRate(framerate);
   }
 
   int32_t SetChannelParameters(uint32_t target_bitrate,  // bits/s.
                                uint8_t lossRate,
@@ skipping 204 matching lines @@
   return new VideoCodingModuleImpl(clock, event_factory, false, nullptr,
                                    nullptr);
 }
 
 void VideoCodingModule::Destroy(VideoCodingModule* module) {
   if (module != NULL) {
     delete static_cast<VideoCodingModuleImpl*>(module);
   }
 }
 }  // namespace webrtc