Remove QUIC support from remoting host and client.

remoting/webapp/base/js/xmpp_error_cache.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 /** @suppress {duplicate} */
 var remoting = remoting || {};
 
 (function() {
 
@@ skipping 82 matching lines @@
     'content',
     'description',
     'error',
     'standard-ice',
     'control',
     'event',
     'video',
     'audio',
     'initial-resolution',
     'authentication',
-    'quic-config',
     'service-unavailable'
   ]);
 
   // Strip PII from attributes.
   var attributes = node.attributes;
   for (var i = 0; i < attributes.length; i++) {
     var attribute = /** @type {Attr} */ (attributes[i]);
     var value = 'REDACTED';
     if (attributesWhiteList.has(attribute.nodeName)) {
       value = attribute.nodeValue;
@@ skipping 15 matching lines @@
   // Strip PII from child nodes.
   var children = node.children;
   for (i = 0; i < children.length; i++) {
     var child = /** @type{Element}*/ (children[i]);
     var childCopy = outNode.ownerDocument.createElement(child.tagName);
     outNode.appendChild(childCopy);
     stripPII(child, childCopy);
   }
 }
 
-})();
+})();