* remove 'z_related_security' method and 'allowedRolesAndUsers' related key, that are not used because of the conflict with existing 'allowedRolesAndUsers' column.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@39964 20353a03-c40f-0410-a6d1-a30d3c3de9de