Bug 7088: (follow-up) Remove script "type" attribute

As per item 1 here:
https://bugs.koha-community.org/bugzilla3/show_bug.cgi?id=7088#c24

Signed-off-by: Liz Rea <wizzyrea@gmail.com>

Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>

Signed-off-by: Nick Clemens <nick@bywatersolutions.com>

koha-tmpl/intranet-tmpl/prog/en/modules/circ/renew.tt

@@ -203,7 +203,7 @@
             });
         </script>
     [% END %]
-    <script type="text/javascript">
+    <script>
         $( document ).ready(function() {
             $("#renewonholdduedate").datetimepicker({
                 onClose: function(dateText, inst) {