Remove QUIC support from remoting host and client.

remoting/protocol/webrtc_transport.cc

Index: remoting/protocol/webrtc_transport.cc
diff --git a/remoting/protocol/webrtc_transport.cc b/remoting/protocol/webrtc_transport.cc
index 295ef9ce23459ef24e5c832ba7cf80f7399832e2..3a6ad6ffa8bc15acac88eabc886310099870f38c 100644
--- a/remoting/protocol/webrtc_transport.cc
+++ b/remoting/protocol/webrtc_transport.cc
@@ -217,12 +217,6 @@ bool WebrtcTransport::ProcessTransportInfo(XmlElement* transport_info) {
   return true;
 }
 
-DatagramChannelFactory* WebrtcTransport::GetDatagramChannelFactory() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  NOTIMPLEMENTED();
-  return nullptr;
-}
-
 StreamChannelFactory* WebrtcTransport::GetStreamChannelFactory() {
   DCHECK(thread_checker_.CalledOnValidThread());
   return &data_stream_adapter_;