Delete unneeded includes of deprecated system_wrappers include files.

webrtc/voice_engine/voe_network_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.
  */
 
 #include "webrtc/voice_engine/voe_network_impl.h"
 
 #include "webrtc/base/checks.h"
 #include "webrtc/base/format_macros.h"
 #include "webrtc/base/logging.h"
-#include "webrtc/system_wrappers/include/trace.h"
 #include "webrtc/voice_engine/channel.h"
 #include "webrtc/voice_engine/include/voe_errors.h"
 #include "webrtc/voice_engine/voice_engine_impl.h"
 
 namespace webrtc {
 
 VoENetwork* VoENetwork::GetInterface(VoiceEngine* voiceEngine) {
   if (!voiceEngine) {
     return nullptr;
   }
@@ skipping 78 matching lines @@
   }
   if (!channelPtr->ExternalTransport()) {
     LOG_F(LS_ERROR) << "No external transport for channel: " << channel;
     return -1;
   }
   return channelPtr->ReceivedRTCPPacket(static_cast<const uint8_t*>(data),
                                         length);
 }
 
 }  // namespace webrtc