remove *_title and *_id from _properties because they are provided...

remove *_title and *_id from _properties because they are provided automatically. *_relative_url are kept as they are for now for compatibility.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@30835 20353a03-c40f-0410-a6d1-a30d3c3de9de