[#7744] fix XSD locations

Author: xabbuh

configuration.rst

@@ -151,11 +151,7 @@ it *also* loads other configuration files via its ``imports`` key:
         <container xmlns="http://symfony.com/schema/dic/services"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://symfony.com/schema/dic/services
-                http://symfony.com/schema/dic/services/services-1.0.xsd
-                http://symfony.com/schema/dic/symfony
-                http://symfony.com/schema/dic/symfony/symfony-1.0.xsd
-                http://symfony.com/schema/dic/twig
-                http://symfony.com/schema/dic/twig/twig-1.0.xsd">
+                http://symfony.com/schema/dic/services/services-1.0.xsd">
 
             <imports>
                 <import resource="parameters.yml" />
@@ -217,9 +213,7 @@ key:
             xsi:schemaLocation="http://symfony.com/schema/dic/services
                 http://symfony.com/schema/dic/services/services-1.0.xsd
                 http://symfony.com/schema/dic/symfony
-                http://symfony.com/schema/dic/symfony/symfony-1.0.xsd
-                http://symfony.com/schema/dic/twig
-                http://symfony.com/schema/dic/twig/twig-1.0.xsd">
+                http://symfony.com/schema/dic/symfony/symfony-1.0.xsd">
 
             <!-- ... -->
             <parameters>