worklist rembered old state variable name, thus catalog search returns no results

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@7420 20353a03-c40f-0410-a6d1-a30d3c3de9de

bt5/erp5_forge/WorkflowTemplateItem/portal_workflow/bug_workflow/worklists/open_bug.xml

@@ -81,14 +81,6 @@ bug_module?validation_state=open&portal_type=Bug&local_roles=%(local_roles)s&res
                       </tuple>
                     </value>
                 </item>
-                <item>
-                    <key> <string>simulation_state</string> </key>
-                    <value>
-                      <tuple>
-                        <string>draft</string>
-                      </tuple>
-                    </value>
-                </item>
                 <item>
                     <key> <string>validation_state</string> </key>
                     <value>