remove unused as_event
remove unused as_event

id774/fastladder,ykzts/fastladder,onk/fastladder,id774/fastladder,toshimaru/fastladder,toshimaru/fastladder,ykzts/fastladder,onk/fastladder,fastladder/fastladder,fastladder/fastladder,onk/fastladder,toshimaru/fastladder,ykzts/fastladder,fastladder/fastladder,id774/fastladder