change response when no user found

Signed-off-by: Valentin Sickert <[email protected]>

app/Http/Controllers/AuthController.php

@@ -47,7 +47,7 @@ public function login(Request $request)
     public function logout(Request $request)
     {
         if (!$request->user()) {
-            return new ApiSuccessResponse('User logged out successfully');
+            return new ApiSuccessResponse('No user found');
         }
 
         $request->user()->currentAccessToken()->delete();