whoops, cleaned up a console.log

lib/timeline/Timeline.js

@@ -156,8 +156,6 @@ Timeline.prototype.setItems = function(items) {
       var start = this.options.start != undefined ? this.options.start : dataRange.start;
       var end   = this.options.end != undefined   ? this.options.end   : dataRange.end;
 
-      console.log(this.options.start, this.options.end, dataRange)
-
       this.setWindow(start, end, {animate: false});
     }
     else {