simplify parameter handling

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@42634 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item/Item_getResourceValue.xml

@@ -64,7 +64,7 @@ return None\n
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>at_date=None, **kw</string> </value>
+            <value> <string>**kw</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

bt5/erp5_item/SkinTemplateItem/portal_skins/erp5_item/Item_getVariationCategoryList.xml

@@ -64,7 +64,7 @@ return []\n
         </item>
         <item>
             <key> <string>_params</string> </key>
-            <value> <string>at_date=None, **kw</string> </value>
+            <value> <string>**kw</string> </value>
         </item>
         <item>
             <key> <string>id</string> </key>

bt5/erp5_item/bt/revision

-284
\ No newline at end of file
+285
\ No newline at end of file