do not allow creating Acknowledgement in create event dialogs

bt5/erp5_crm/SkinTemplateItem/portal_skins/erp5_crm/Base_viewCRMFieldLibrary/your_portal_type.xml

@@ -136,16 +136,13 @@
   </record>
   <record id="2" aka="AAAAAAAAAAI=">
     <pickle>
-      <tuple>
-        <global name="TALESMethod" module="Products.Formulator.TALESField"/>
-        <tuple/>
-      </tuple>
+      <global name="TALESMethod" module="Products.Formulator.TALESField"/>
     </pickle>
     <pickle>
       <dictionary>
         <item>
             <key> <string>_text</string> </key>
-            <value> <string>python: [(here.Localizer.erp5_ui.gettext(x), x) for x in here.getPortalEventTypeList()]</string> </value>
+            <value> <string>python: [(\'\', \'\')] + [(here.Base_translateString(x), x) for x in here.getPortalEventTypeList() if x not in (\'Acknowledgement\', )]</string> </value>
         </item>
       </dictionary>
     </pickle>

bt5/erp5_crm/bt/revision

-629
\ No newline at end of file
+630
\ No newline at end of file