Clean up code and comments.

app/Http/Controllers/PiggyBank/ShowController.php

@@ -32,6 +32,7 @@ use FireflyIII\Repositories\PiggyBank\PiggyBankRepositoryInterface;
 use FireflyIII\Transformers\PiggyBankTransformer;
 use Illuminate\Contracts\View\Factory;
 use Illuminate\View\View;
+use JsonException;
 use Symfony\Component\HttpFoundation\ParameterBag;
 
 /**
@@ -69,7 +70,7 @@ class ShowController extends Controller
      *
      * @return Factory|View
      * @throws FireflyException
-     * @throws \JsonException
+     * @throws JsonException
      */
     public function show(PiggyBank $piggyBank)
     {