I want to delete that account because it is of no use to me
Please delete this account
Question marked as
If you have deleted 'that'account, it is no longer valid, it simply no longer exists and it no longer works.
To understand about a deleted Apple ID, see the Apple articles below:
How to delete your Apple ID account
How to delete your Apple ID account – Apple Support (UK)
👉 Once your account has been deleted, Apple can't reopen or reactivate your account or restore your data.
Understand and control the personal information that you store with Apple
Understand and control the personal information that you store with Apple - Apple Support