A user wrongly has activated the 2FA, how can I remove it?

Summary:

A user has wrongly activated himself the 2FA. Now every time he wants to login, after the password he need to enter the passcode.

We want to remove this last step as it was before.

Content (please ensure you mask any confidential information):

Remove the request of the passcode to enter.

Version (include the version you are using, if applicable):

25b

Code Snippet (add any code snippets that support your topic, if applicable):