ERP5Workflow: remove all old guards setted up during workflow conversion

product/ERP5Workflow/Document/Transition.py

@@ -60,7 +60,6 @@ class Transition(IdAsReferenceMixin("transition_", "prefix"), XMLObject,
   isPortalContent = 1
   isRADContent = 1
   trigger_type = TRIGGER_USER_ACTION #zwj: type is int 0, 1, 2
-  guard = None
   var_exprs = None  # A mapping.
   default_reference = ''
   # Declarative security

product/ERP5Workflow/Tool/WorkflowTool.py

@@ -342,7 +342,6 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
 
             # configure guard
             if tdef.guard:
-              transition.guard = tdef.guard
               transition.setGuardRoleList(tdef.guard.roles)
               transition.setGuardPermissionList(tdef.guard.permissions)
               transition.setGuardGroupList(tdef.guard.groups)
@@ -449,7 +448,6 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
             worklist.setActionName(qdef.actbox_name)
             # configure guard
             if qdef.guard:
-              worklist.guard = qdef.guard
               worklist.setGuardRoleList(qdef.guard.roles)
               worklist.setGuardPermissionList(qdef.guard.permissions)
               worklist.setGuardGroupList(qdef.guard.groups)
@@ -486,7 +484,6 @@ class WorkflowTool(BaseTool, OriginalWorkflowTool):
 
             # configure guard
             if tdef.guard:
-              interaction.guard = tdef.guard
               interaction.setGuardRoleList(tdef.guard.roles)
               interaction.setGuardPermissionList(tdef.guard.permissions)
               interaction.setGuardGroupList(tdef.guard.groups)