remove group constrainte, it's now a normal group

tests/dictionaries/10check_valid_in_network_cidr/00-base.xml

@@ -1,5 +1,5 @@
 <?xml version='1.0' encoding='UTF-8'?>
-<rougail version="0.9">
+<rougail version="0.10">
   <variables>
     <family name="general">
       <variable name="mode_conteneur_actif" type="string" description="No change">