fix timeline panel border

resource/styles/agile-admin/inverse/eliteadmin.scss

@@ -1454,7 +1454,6 @@ table.dataTable thead .sorting:after {
 .panel{
   border-radius:$radius;
   margin-bottom:15px;
-  border:0px;
   .panel-heading{
     border-radius:$radius;
     font-weight:$font-bold;