Revert of fix quick unlock config in options

chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js

Index: chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js
diff --git a/chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js b/chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js
index 01245685654cb1b48588833c250c205f11979541..2cf087de38d83b60bcdb0432931189f7203ecbef 100644
--- a/chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js
+++ b/chrome/browser/resources/options/chromeos/quick_unlock_configure_overlay.js
@@ -5,14 +5,6 @@
 cr.define('options', function() {
   var Page = cr.ui.pageManager.Page;
   var PageManager = cr.ui.pageManager.PageManager;
-
-  /**
-   * Maximum time to wait after the page is fully loaded before we start to
-   * load polymer elements.
-   * @type {number}
-   * @const
-   */
-  var POLYMER_LOAD_TIMEOUT_MS = 5000;
 
   /**
    * QuickUnlockConfigureOverlay class
@@ -38,14 +30,6 @@
       $('screen-lock-done').onclick = function() {
         QuickUnlockConfigureOverlay.dismiss();
       };
-
-      window.addEventListener('load', function() {
-        // Setting a timeout here to avoid racing with some browsertests,
-        // this should be here for only a short period of time as
-        // md-settings are launching soon.
-        setTimeout(
-            this.ensurePolymerIsLoaded_.bind(this), POLYMER_LOAD_TIMEOUT_MS);
-      }.bind(this));
     },
 
     /** @override */