Replaced the DI tag "cmf_menu.voter" to the right "knp_menu.voter"

Conflicts:
	bundles/menu/voters.rst

Author: hason

bundles/menu/voters.rst

@@ -197,7 +197,7 @@ menu item.
 To use this voter you need to configure a custom service with the name of the
 content in the request and your model class to avoid calling ``getParent`` on
 objects that do not have that method. You need to tag the service as
-``cmf_menu.voter``. The service looks the same as for complete custom
+``knp_menu.voter``. The service looks the same as for complete custom
 voters (see below), except you do not need to write your own PHP code:
 
 .. configuration-block::