Rakesh from AppGallery Team.
Could you please share your email id with which you have registered ?
What is the reason behind deleting the account ?
For moving to production, why do you need to delete the account ?
Currently we have not given a option to delete a user account or deactivate. we just moved to the SSO functionality.
For Quicker reply send mail to : firstname.lastname@example.org
Thanks & Regards,