MD Settings: Remove unused settings.main.rendered global variable.

chrome/browser/resources/settings/privacy_page/privacy_page.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.
 
 /**
  * @fileoverview
  * 'settings-privacy-page' is the settings page containing privacy and
  * security settings.
  */
 Polymer({
@@ skipping 38 matching lines @@
    * @private
    */
   computeShowClearBrowsingDataDialog_: function() {
     var route = this.currentRoute;
     return route && route.dialog == 'clear-browsing-data';
   },
 
   /** @private */
   onManageCertificatesTap_: function() {
 <if expr="use_nss_certs">
-    var pages = /** @type {!SettingsAnimatedPagesElement} */(this.$.pages);
     settings.navigateTo(settings.Route.CERTIFICATES);
 </if>
 <if expr="is_win or is_macosx">
     settings.PrivacyPageBrowserProxyImpl.getInstance().
-      showManageSSLCertificates();
+        showManageSSLCertificates();
 </if>
   },
 
   /** @private */
   onSiteSettingsTap_: function() {
-    var pages = /** @type {!SettingsAnimatedPagesElement} */(this.$.pages);
     settings.navigateTo(settings.Route.SITE_SETTINGS);
   },
 
   /** @private */
   onClearBrowsingDataTap_: function() {
     settings.navigateTo(settings.Route.CLEAR_BROWSER_DATA);
   },
 
   /** @private */
   onDialogClosed_: function() {
     settings.navigateTo(settings.Route.PRIVACY);
   },
 });