Settings Router Refactor: Kill settings-router.

chrome/browser/resources/settings/site_settings/all_sites.html

 <link rel="import" href="chrome://resources/html/polymer.html">
 <link rel="import" href="/settings_shared_css.html">
 <link rel="import" href="/site_settings/constants.html">
 <link rel="import" href="/site_settings/site_list.html">
 <link rel="import" href="/site_settings/site_settings_behavior.html">
 
 <dom-module id="all-sites">
   <template>
     <style include="settings-shared">
       :host {
         display: block;
       }
     </style>
     <settings-site-list id="siteList" all-sites
-        category="all-sites" current-route="{{currentRoute}}"
-        selected-site="{{selectedSite}}"></settings-site-list>
+        category="all-sites" selected-site="{{selectedSite}}">
+    </settings-site-list>
   </template>
   <script src="all_sites.js"></script>
 </dom-module>