Removed rendering of rosterview since I've added check to render only with...

Removed rendering of rosterview since I've added check to render only with passed item and the result is the same without the rendering

converse.js

@@ -1146,7 +1146,7 @@
 
             // Add the roster
             xmppchat.roster = new xmppchat.RosterItems();
-            xmppchat.rosterview = new xmppchat.RosterView({'model':xmppchat.roster}).render();
+            xmppchat.rosterview = new xmppchat.RosterView({'model':xmppchat.roster});
             xmppchat.rosterview.$el.appendTo(controlbox.contactspanel.$el);
 
             // Rebind events (necessary for click events on tabs inserted via the panels)