To delete your Gnosis App account, you'll need to follow some steps in the Gnosis App.
Open your Gnosis app and go to the More page
Go to "Advanced"
Click on "Delete my account."
Make sure to read the details regarding the deletion process
After confirming the details by checking the checkmarks, you will be able to click to delete the account.
Use your passkey to verify ownership
Your account will be deleted.