remove duplicated manage.js
remove duplicated manage.js

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