Update AccountController, fix 2FA backup code bug

app/Http/Controllers/AccountController.php

@@ -525,10 +525,9 @@ class AccountController extends Controller
                     $user->save();
                     $request->session()->push('2fa.session.active', true);
                     return true;
-				} else {
-					return false;
                 }
             }
+            return false;
         } else {
             return false;
         }