Can you SE guys unlik a psn account from a SE account.

I have to do it since i cant login anymore because i forgot the password and i've always
been using "auto login" so pass wasnt necessary.
2 days ago i had to reset my ps3 and i lost all my data, since then i have to use my pass to login bu i forgot it...
This is why I have to unlink it... i can provide you every information you need.
I have both pc an ps3 version and i dont wanna buy the ps3 one again :,[.
Hope you can help me.