Update forms.rst

Author: silasjoisten

forms.rst

@@ -392,7 +392,6 @@ of an object. To make this happen, the submitted data from the user must be
 written into the form object::
 
     // src/Controller/TaskController.php
-    
     // ...
     use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
     use Symfony\Component\HttpFoundation\Request;