Reformat error message

Author: michaeldzjap

src/Http/Controllers/ThrottlesTwoFactorAuths.php

@@ -48,7 +48,7 @@ protected function sendLockoutResponse(Request $request)
 
         $message = __('twofactor-auth::twofactor-auth.throttle', ['seconds' => $seconds]);
 
-        $errors = [$this->username() => $message];
+        $errors = ['token' => $message];
 
         if ($request->expectsJson()) {
             return response()->json($errors, 423);

src/Http/Controllers/TwoFactorAuthenticatesUsers.php

@@ -128,7 +128,7 @@ protected function sendFailedTwoFactorAuthResponse(Request $request)
      */
     protected function sendKillTwoFactorAuthResponse(Request $request)
     {
-        $errors = [$this->username() => __('twofactor-auth::twofactor-auth.expired')];
+        $errors = ['token' => __('twofactor-auth::twofactor-auth.expired')];
 
         if ($request->expectsJson()) {
             return response()->json($errors, 401);