upgrades core to 8.4.2

core/misc/drupalSettingsLoader.js

@@ -1,25 +1,16 @@
 /**
- * @file
- * Parse inline JSON and initialize the drupalSettings global object.
- */
+* DO NOT EDIT THIS FILE.
+* See the following change record for more information,
+* https://www.drupal.org/node/2815083
+* @preserve
+**/
 
 (function () {
-
-  'use strict';
-
-  // Use direct child elements to harden against XSS exploits when CSP is on.
   var settingsElement = document.querySelector('head > script[type="application/json"][data-drupal-selector="drupal-settings-json"], body > script[type="application/json"][data-drupal-selector="drupal-settings-json"]');
 
-  /**
-   * Variable generated by Drupal with all the configuration created from PHP.
-   *
-   * @global
-   *
-   * @type {object}
-   */
   window.drupalSettings = {};
 
   if (settingsElement !== null) {
     window.drupalSettings = JSON.parse(settingsElement.textContent);
   }
-})();
+})();