Remove duplicated headers from modules/

Source/modules/mediastream/RTCPeerConnection.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * 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
@@ skipping 31 matching lines @@
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/frame/Frame.h"
 #include "core/platform/mediastream/RTCDataChannelHandler.h"
 #include "modules/mediastream/MediaConstraintsImpl.h"
 #include "modules/mediastream/MediaStreamEvent.h"
 #include "modules/mediastream/RTCDTMFSender.h"
 #include "modules/mediastream/RTCDataChannel.h"
 #include "modules/mediastream/RTCDataChannelEvent.h"
 #include "modules/mediastream/RTCErrorCallback.h"
-#include "modules/mediastream/RTCIceCandidate.h"
 #include "modules/mediastream/RTCIceCandidateEvent.h"
 #include "modules/mediastream/RTCSessionDescription.h"
 #include "modules/mediastream/RTCSessionDescriptionCallback.h"
 #include "modules/mediastream/RTCSessionDescriptionRequestImpl.h"
 #include "modules/mediastream/RTCStatsCallback.h"
 #include "modules/mediastream/RTCStatsRequestImpl.h"
 #include "modules/mediastream/RTCVoidRequestImpl.h"
 #include "platform/mediastream/RTCConfiguration.h"
 #include "public/platform/WebRTCDataChannelInit.h"
 #include "public/platform/WebRTCICECandidate.h"
@@ skipping 624 matching lines @@
     events.swap(m_scheduledEvents);
 
     Vector<RefPtr<Event> >::iterator it = events.begin();
     for (; it != events.end(); ++it)
         dispatchEvent((*it).release());
 
     events.clear();
 }
 
 } // namespace WebCore