Listbox rendering in web style seems to work: mark it as upgraded and ready to be used.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@9716 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_web/SkinTemplateItem/portal_skins/erp5_web_widget_library/ListBox_asWebStyleHTML.xml

@@ -256,7 +256,7 @@
         </item>
         <item>
             <key> <string>title</string> </key>
-            <value> <string>Outdate code: need upgrade</string> </value>
+            <value> <string></string> </value>
         </item>
       </dictionary>
     </pickle>