slapos_panel: Validate here isn't required

   Update of state should be done by alarms according to current implementation.

master/bt5/slapos_panel/SkinTemplateItem/portal_skins/slapos_panel/Ticket_addSlapOSEvent.py

-from Products.ERP5Type.Errors import UnsupportedWorkflowMethod
-
 REQUEST = context.REQUEST
 portal = context.getPortalObject()
 ticket = context
@@ -28,11 +26,6 @@ event = ticket.Ticket_createProjectEvent(
   source=person_relative_url
 )
 
-try:
-  ticket.validate()
-except (AttributeError, UnsupportedWorkflowMethod):
-  pass
-
 if batch:
   return event
 return event.Base_redirect()