Remove old webui History page on desktop and mobile

components/sync/driver/resources/sync_node_browser.css

 /* Copyright (c) 2012 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. */
 
 #sync-node-browser-refresher {
   border-bottom: 1px rgb(160,160,160) solid;
 }
 
 #sync-node-browser-refresher > * {
   display: inline-block;
@@ skipping 16 matching lines @@
 }
 
 #sync-node-tree {
   display: inline-block;
   min-width: 100%;
   overflow: visible; /* let the container do the scrolling */
 }
 
 /* TODO(akalin): Find a better icon to use for leaf nodes. */
 #sync-node-tree .leaf .tree-label {
-  background-image: url(../../../../ui/webui/resources/images/star_small.png);
+  background-image: url(star_small.png);
 }
 
 #sync-node-splitter {
   background-color: rgb(235, 239, 249);
   cursor: col-resize;
   min-width: 5px;
 <if expr="is_win">
   /* TODO(akalin): Make the BMM also use this style. */
   cursor: e-resize;
 </if>
@@ skipping 11 matching lines @@
 }
 
 #node-details td {
   vertical-align: top;
   white-space: nowrap;
 }
 
 #node-details tr:nth-child(odd) {
   background: rgb(239, 243, 255);
 }