upgraded jquery to v2.2.4 in Admin UI

admin/index.html

@@ -44,7 +44,7 @@
 <div ui-view></div>
 
 <!-- jQuery and Bootstrap -->
-<script src="js/jquery/jquery-2.1.1.min.js"></script>
+<script src="js/jquery/jquery-2.2.4.min.js"></script>
 <script src="js/jc/jc.jsextend.js"></script>
 <script src="js/jquery/jquery.panzoom.min.js"></script>
 <script src="js/plugins/jquery-ui/jquery-ui.js"></script>
@@ -105,7 +105,6 @@
 <script src="app/api.js"></script>
 <script src="app/app.js"></script>
 <script src="app/config.js"></script>
-<script src="app/config.highcharts.js"></script>
 <script src="app/config.lazyload.js"></script>
 <script src="app/config.router.js"></script>
 <script src="app/translations.js"></script>