mac删除无用的launchpad图标

先找出所有图标全称：

sqlite3 $(sudo find /private/var/folders -name com.apple.dock.launchpad)/db/db "select * from apps;"

然后删除：

sqlite3 $(sudo find /private/var/folders -name com.apple.dock.launchpad)/db/db " FROM apps WHERE title='XXXXXXXXXX';" && killall Dock