Change property server by relation to link to Memcached Plugin object

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@27498 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/PropertySheet/DistributedRamCache.py

@@ -31,11 +31,4 @@ class DistributedRamCache:
   """
   """
 
-  _properties = (
-        {'id'          : 'server',
-         'description' : 'Memcached server address( you can specify multiple servers by separating them with ;)',
-         'type'        : 'string',
-         'default'     : '127.0.0.1:11211',
-        },
-        )
-
+  _categories = ( 'specialise', )