Do you mean the clean_up_inactive_users_after_days setting? You can set it to 0. But I guess removed users are gone, unless you can re-sent some sort of activation email or invite them back.
Do you mean the clean_up_inactive_users_after_days setting? You can set it to 0. But I guess removed users are gone, unless you can re-sent some sort of activation email or invite them back.