erp5_trade: remove now-useless `isInventoryMovement` getter

bt5/erp5_trade/DocumentTemplateItem/portal_components/document.erp5.InventoryOffsetCell.py

@@ -29,7 +29,6 @@ from AccessControl import ClassSecurityInfo
 
 from Products.ERP5Type import Permissions, PropertySheet
 from erp5.component.document.DeliveryCell import DeliveryCell
-from Products.ERP5Type.Accessor.Constant import PropertyGetter as ConstantGetter
 
 class InventoryOffsetCell(DeliveryCell):
   """
@@ -39,7 +38,6 @@ class InventoryOffsetCell(DeliveryCell):
   meta_type = "ERP5 Inventory Offset Cell"
   portal_type = "Inventory Offset Cell"
   add_permission = Permissions.AddPortalContent
-  isInventoryMovement = ConstantGetter("isInventoryMovement", value=True)
 
   # Declarative security
   security = ClassSecurityInfo()

bt5/erp5_trade/DocumentTemplateItem/portal_components/document.erp5.InventoryOffsetLine.py

@@ -29,7 +29,6 @@ from AccessControl import ClassSecurityInfo
 
 from Products.ERP5Type import Permissions, PropertySheet
 from erp5.component.document.DeliveryLine import DeliveryLine
-from Products.ERP5Type.Accessor.Constant import PropertyGetter as ConstantGetter
 
 class InventoryOffsetLine(DeliveryLine):
   """
@@ -39,7 +38,6 @@ class InventoryOffsetLine(DeliveryLine):
   meta_type = "ERP5 Inventory Offset Line"
   portal_type = "Inventory Offset Line"
   add_permission = Permissions.AddPortalContent
-  isInventoryMovement = ConstantGetter("isInventoryMovement", value=True)
 
   # Declarative security
   security = ClassSecurityInfo()