How to delete user permanently from Gforge Advance server

Non-commercial version of Gforge Advance server is limited to 15 users only. Admin can’t delete the user permanently if user gets created by mistake using the gforge admin interface. We have to go to gforge database to delete the user permanently. Below the steps to do the same

• Get user id from user table e.g id =108
• Open table audit_trail and remove all records where user_id =108
• Open mailmen table and delete all records where user_id=108
• Open user_session table and delete all records where user_id =108
• Open user_preference table and delete all records where user_id=108
• Open user table and delete the record where id=108