options: Remove a bunch of useless:

chrome/browser/resources/chromeos/fake_bluetooth_overlay_parent.js

Index: chrome/browser/resources/chromeos/fake_bluetooth_overlay_parent.js
diff --git a/chrome/browser/resources/chromeos/fake_bluetooth_overlay_parent.js b/chrome/browser/resources/chromeos/fake_bluetooth_overlay_parent.js
index eb154bb458b8e37ec9fe57e54ed4099e32e0dc9f..c98371a074529a13dd08622c9b26c1959a3f2b8e 100644
--- a/chrome/browser/resources/chromeos/fake_bluetooth_overlay_parent.js
+++ b/chrome/browser/resources/chromeos/fake_bluetooth_overlay_parent.js
@@ -20,14 +20,6 @@ cr.define('options', function() {
   FakeBluetoothOverlayParent.prototype = {
     // Inherit FakeBluetoothOverlayParent from OptionsPage.
     __proto__: OptionsPage.prototype,
-
-    /**
-     * Initializes FakeBluetoothOverlayParent page.
-     */
-    initializePage: function() {
-      // Call base class implementation to starts preference initialization.
-      OptionsPage.prototype.initializePage.call(this);
-    },
   };
 
   // Export