Delete unneeded includes of deprecated system_wrappers include files.

webrtc/modules/audio_coding/test/iSACTest.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/modules/audio_coding/test/iSACTest.h"
 
 #include <ctype.h>
 #include <stdio.h>
 #include <string.h>
 
 #ifdef _WIN32
 #include <windows.h>
 #elif defined(WEBRTC_LINUX)
 #include <time.h>
 #else
 #include <sys/time.h>
 #include <time.h>
 #endif
 
 #include "webrtc/modules/audio_coding/codecs/audio_format_conversion.h"
 #include "webrtc/modules/audio_coding/test/utility.h"
 #include "webrtc/system_wrappers/include/event_wrapper.h"
-#include "webrtc/system_wrappers/include/trace.h"
 #include "webrtc/test/testsupport/fileutils.h"
 
 namespace webrtc {
 
 void SetISACConfigDefault(ACMTestISACConfig& isacConfig) {
   isacConfig.currentRateBitPerSec = 0;
   isacConfig.currentFrameSizeMsec = 0;
   isacConfig.encodingMode = -1;
   isacConfig.initRateBitPerSec = 0;
   isacConfig.initFrameSizeInMsec = 0;
@@ skipping 300 matching lines @@
       numSendCodecChanged++;
     }
   }
   _outFileA.Close();
   _outFileB.Close();
   _inFileA.Close();
   _inFileB.Close();
 }
 
 }  // namespace webrtc