removed 2 useless files

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@8935 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_core/LocalRolesTemplateItem/.xml

-<local_roles_item>
- <local_roles>
-  <role id='chris'>
-   <item>Owner</item>
-  </role>
- </local_roles>
- <group_local_roles>
- </group_local_roles>
-</local_roles_item>
\ No newline at end of file

product/ERP5/bootstrap/erp5_core/PortalTypeRolesTemplateItem/.xml

-<type_roles>
-</type_roles>
\ No newline at end of file