why don't you just abandon it?
@jojaewon (View Post)
Start a new conversation (personal message) with a mod, or Simon (the admin) to see what can be done.
There is no point in removing your account. All the mods will do will say "Don't use it anymore." They will do nothing like removing the account because tehre is ni benefit of it.
For security reasons (I think is the reason), we cannot remove accounts directly.