title: Does deleting account from Firebase automatically logs user out?
body: <p>I would like to know, does deleting account from Firebase automatically logs user out?<br> I mean, if I want to show him after deleting the login screen, then I just have to present that VC?<br> I am asking this because if I do like this, it crashes and I think it is because the user doesn't exists anymore at this points. <br><br>Am I right?</p>
  
  <p>The code with some explenations : </p>
  
  <pre><code>let user = FIRAuth.auth()?.currentUser
  
  user?.deleteWithCompletion { error in
    if let error = error {
      // An error happened.
    } else {
       try! FIRAuth.auth()!.signOut()//This is unnecessary?
  
              let mainStoryboard: UIStoryboard = UIStoryboard(name:"Main",bundle:nil)
  
              let WelcomeViewController: UIViewController = mainStoryboard.instantiateViewController(withIdentifier: "WelcomeViewController")
  
              //Send the user to the WelcomeViewController
              self.present(WelcomeViewController, animated: true, completion: nil)
      // Account deleted. 
    }
  }
  </code></pre>