Merge pull request #375 from ThomasLandauer/patch-1

Update index.rst: Removing old (ancient) installation information

Author: Seldaek

src/Resources/doc/index.rst

@@ -26,30 +26,6 @@ the ``config/bundles.php`` file of your project::
         // ...
     ];
 
-If you don't have a ``config/bundles.php`` file in your project, chances are that
-you're using an older Symfony version. In this case, you should have an
-``app/AppKernel.php`` file instead. Edit such file::
-
-    <?php
-    // app/AppKernel.php
-
-    // ...
-    class AppKernel extends Kernel
-    {
-        public function registerBundles()
-        {
-            $bundles = [
-                // ...
-
-                new Nelmio\SecurityBundle\NelmioSecurityBundle(),
-            ];
-
-            // ...
-        }
-
-        // ...
-    }
-
 In order to inject ``ContentSecurityPolicyListener`` in a service, it needs to be manually configured:
 
 .. code-block:: yaml