Update Jquery + removed 1.7.2 / ui reference

Update 3.4.1 to 3.5.1 due to:

https://security.paloaltonetworks.com/PAN-SA-2020-0007

web/templates/header.html

@@ -9,7 +9,7 @@
   <link type="text/css" href="/css/animate.min.css?<?php echo JS_LATEST_UPDATE; ?>" rel="stylesheet" />
   <link type="text/css" href="/css/jquery-custom-dialogs.css?<?php echo JS_LATEST_UPDATE; ?>" rel="stylesheet" />
   <link type="text/css" href="/css/all.min.css?<?php echo JS_LATEST_UPDATE; ?>" rel="stylesheet" />
-  <script src="/inc/jquery/jquery-3.4.1.min.js"></script>
+  <script src="/inc/jquery/jquery-3.5.1.min.js"></script>
   <script>
     //
     //  GLOBAL SETTINGS

web/templates/scripts.html

@@ -1,6 +1,4 @@
-  <script type="text/javascript" src="/js/jquery/jquery-1.7.2.min.js?<?=JS_LATEST_UPDATE?>"></script>
   <script type="text/javascript" src="/js/jquery/jquery.cookie.js?<?=JS_LATEST_UPDATE?>"></script>
-  <script type="text/javascript" src="/js/jquery/jquery-ui-1.8.20.custom.min.js?<?=JS_LATEST_UPDATE?>"></script>
   <script type="text/javascript" src="/js/jquery/jquery.finder.js?<?=JS_LATEST_UPDATE?>"></script>
   <script type="text/javascript" src="/js/hotkeys.js?<?=JS_LATEST_UPDATE?>"></script>
   <script type="text/javascript" src="/js/events.js?<?=JS_LATEST_UPDATE?>"></script>