Do not display None in the UI

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@19574 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/bootstrap/erp5_xhtml_style/SkinTemplateItem/portal_skins/erp5_xhtml_style/configure_list_dialog.xml

@@ -115,7 +115,7 @@
                       <option selected="selected"\n
                               value="None"\n
                               i18n:translate="" i18n:domain="ui">\n
-                        None\n
+                        \n
                       </option>\n
                       <option tal:repeat="option all_columns"\n
                               tal:content="python:option[1]"\n

product/ERP5/bootstrap/erp5_xhtml_style/bt/revision

-496
\ No newline at end of file
+497
\ No newline at end of file