MD Settings: Cleanup, remove unnecessary <cr-settings> wrapper.

chrome/test/data/webui/settings/settings_ui_browsertest.js

 // Copyright 2016 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 Suite of tests for the Settings layout. */
 
 GEN_INCLUDE(['settings_page_browsertest.js']);
 
 /**
  * @constructor
@@ skipping 13 matching lines @@
 GEN('#else');
 GEN('#define MAYBE_All All');
 GEN('#endif');
 
 TEST_F('SettingsUIBrowserTest', 'MAYBE_All', function() {
   suite('settings-ui', function() {
     var toolbar;
     var ui;
 
     suiteSetup(function() {
-      var settings = assert(document.querySelector('cr-settings'));
-      ui = assert(settings.$$('settings-ui'));
+      ui = assert(document.querySelector('settings-ui'));
     });
 
     test('basic', function() {
       toolbar = assert(ui.$$('cr-toolbar'));
       assertTrue(toolbar.showMenu);
     });
 
     test('app drawer', function(done) {
       assertEquals(null, ui.$$('settings-menu'));
       var drawer = assert(ui.$$('app-drawer'));
@@ skipping 26 matching lines @@
         // visible as the drawer slides out.
         assertFalse(drawer.opened);
         assertTrue(!!ui.$$('settings-menu'));
         done();
       });
     });
   });
 
   mocha.run();
 });