Removed redundant punctuation ":"

starter.html

@@ -323,7 +323,7 @@ desired effect
         <h3 class="control-sidebar-heading">Recent Activity</h3>
         <ul class="control-sidebar-menu">
           <li>
-            <a href="javascript::;">
+            <a href="javascript:;">
               <i class="menu-icon fa fa-birthday-cake bg-red"></i>
 
               <div class="menu-info">