[fix] removed json from index

templates/index.html

@@ -12,7 +12,6 @@
 <script type="text/javascript" src="{%media_url%}/js/jquery.tablesorter.min.js"> </script>
 <script type="text/javascript" src="{%media_url%}/js/form.js"></script>
 <script type="text/javascript">
-var json = {{stats_graph|safe}};
 function focushandlers(ed) {
     var s = ed.settings;
     var realID = $('#'+ed.id+'_tbl');