There is no current way to delete it , once you lock it theres no way to unlock it sorry.
how to unlock facebook in opendns
how to unlock friends Facebook account
By Unlocking It
Check
level 25 to unlock the pumkpmik
log into facebook
i dont know hellp
you dont unlock a duck at a certain level, someone has to send it to you.
Buy them.
wait a day
You can Unlock facebook by passing the security check which they will offer. They might also ask government ID which they promise to throw it away after the security check. Give them what they want and they will take 24 hour to reply to your question. If your name matches with your Id. They will unlock it otherwise not.
You have to unlock rock lee, then complete the game with every character and that should unlock him. If you have any more questionsask me on facebook as Kenny cornell