start_date in Person is not sortable.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@34423 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_base/SkinTemplateItem/portal_skins/erp5_base/PersonModule_viewPersonList/listbox.xml

@@ -479,10 +479,6 @@ Role & Region
                           <string>description</string>
                           <string>Description</string>
                         </tuple>
-                        <tuple>
-                          <string>start_date</string>
-                          <string>Birthday</string>
-                        </tuple>
                         <tuple>
                           <string>creation_date</string>
                           <string>Creation Date</string>

bt5/erp5_base/bt/revision

-711
\ No newline at end of file
+712
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