can anyone tell me how to remove an account ???
Contact Customer Support.
As @cheezees told you, your only resource is Customer Support as Fiverr site doesn’t let you close your account.
I just want to ask you why you’re walking that way: you could simply leave your account “sleeping”, pausing all your gigs and writing a new message on your description.
Maybe one day you want to come back and you have your account ready…
Just think about it…
I suspended all my gigs for almost a year, then came back. Just put it on hold.