Remove method 'logOutAndDestroySession' from class 'Auth'

src/Auth.php

@@ -578,16 +578,6 @@ final class Auth extends UserManager {
 		parent::onLoginSuccessful($userId, $email, $username, $status, $roles, $forceLogout, $remembered);
 	}
 
-	/**
-	 * Logs the user out and destroys all session data
-	 *
-	 * @throws AuthError if an internal problem occurred (do *not* catch)
-	 */
-	public function logOutAndDestroySession() {
-		$this->logOut();
-		$this->destroySession();
-	}
-
 	/**
 	 * Deletes the session cookie on the client
 	 *