removed the _internal routes in the default routing file as it does not exist anymore

Author: fabpot

app/config/routing.yml

@@ -1,8 +0,0 @@
-# Internal routing configuration to handle ESI
-# ****** WARNING ******
-# This route should be enabled with caution as it can open a security vulnerability
-# see http://symfony.com/blog/security-release-symfony-2-0-20-and-2-1-5-released for more information
-# ****** WARNING ******
-#_internal:
-#    resource: "@FrameworkBundle/Resources/config/routing/internal.xml"
-#    prefix:   /_internal