remove unused var
remove unused var

kleisauke/fullcalendar,pietervisser/fullcalendar,pietervisser/fullcalendar,kleisauke/fullcalendar,laoneo/fullcalendar,pietervisser/fullcalendar,arshaw/fullcalendar,arshaw/fullcalendar,arshaw/fullcalendar,fullcalendar/fullcalendar,oleg-babintsev/fullcalendar,kleisauke/fullcalendar,laoneo/fullcalendar,oleg-babintsev/fullcalendar,fullcalendar/fullcalendar,fullcalendar/fullcalendar,arshaw/fullcalendar,kleisauke/fullcalendar,laoneo/fullcalendar,oleg-babintsev/fullcalendar,fullcalendar/fullcalendar