MAGETWO-33932: Add ability to initialize modules by selector

- Remove bootstrap method

Author: Denys Rul

lib/web/mage/bootstrap.js

@@ -2,24 +2,18 @@
  * Copyright © 2015 Magento. All rights reserved.
  * See COPYING.txt for license details.
  */
-/*jshint jquery:true browser:true */
 define([
-    "jquery",
-    "mage/apply/main"
-], function($, mage){
+    'jquery',
+    'mage/apply/main'
+], function ($, mage) {
     'use strict';
-    
+
     $.ajaxSetup({
         cache: false
     });
 
-    var bootstrap = function() {
-        /**
-         * Init all components defined via data-mage-init attribute
-         * and subscribe init action to contentUpdated event
-         */
-        mage.apply();
-    };
-
-    $(bootstrap);
-});
+    /**
+     * Init all components defined via data-mage-init attribute.
+     */
+    $(mage.apply);
+});