Migrate KAM smartmenus to core

CRM/Admin/Form/Preferences/Display.php

CRM/Admin/Page/AJAX.php

CRM/Core/BAO/Navigation.php

CRM/Core/Resources.php

CRM/Core/Smarty/plugins/function.crmNavigationMenu.php

CRM/Core/xml/Menu/Admin.xml

bower.json

css/civicrm.css

css/civicrmNavigation.css

css/crm-menubar.css

css/joomla.css

css/menubar-backdrop.css

css/menubar-drupal7.css

css/menubar-drupal8.css

css/menubar-joomla.css

css/menubar-wordpress.css

extension-compatibility.json

js/crm.backdrop.js

js/crm.drupal7.js

js/crm.drupal8.js