cs: Remove duplicated headers.

src/Bundle/ChillMainBundle/Templating/ChillMarkdownRenderExtension.php

@@ -9,13 +9,6 @@
 
 declare(strict_types=1);
 
-/**
- * Chill is a software for social workers.
- *
- * For the full copyright and license information, please view
- * the LICENSE file that was distributed with this source code.
- */
-
 namespace Chill\MainBundle\Templating;
 
 use Parsedown;