refactor valid_enum

tests/dictionaries/80unknown_validenum/00-base.xml

@@ -1,22 +0,0 @@
-<?xml version='1.0' encoding='UTF-8'?>
-<rougail>
-
-    <services/>
-
-    <variables>
-        <family name="general">
-            <variable name="mode_conteneur_actif" type="string" description="No change"/>
-        </family>
-    </variables>
-
-    <constraints>
-        <check name="valid_enum" target="unknown_variable">
-            <param>['oui', 'non']</param>
-        </check>
-    </constraints>
-
-    <help/>
-
-</rougail>
-<!-- vim: ts=4 sw=4 expandtab
--->