Remove redundant license info

Author: fabpot

HttpCache/HttpCache.php

@@ -10,16 +10,9 @@
  */
 
 /*
- * This file is part of the Symfony package.
- *
- * (c) Fabien Potencier <fabien@symfony.com>
- *
  * This code is partially based on the Rack-Cache library by Ryan Tomayko,
  * which is released under the MIT license.
  * (based on commit 02d2b48d75bcb63cf1c0c7149c077ad256542801)
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
  */
 
 namespace Symfony\Component\HttpKernel\HttpCache;