title: Testlink - Is it Possible to delete User Account
body: <p>I'm currently using test link 1.9.15.</p>
  
  <p>Under User/Role i can only see disable option.
  Is it possible to remove/Delete user account from Testlink?</p>
  
  <p>If it is possible, can any one provide Query for same?</p>
  
  <p>Thanks,</p>