erp5_real_time_inventory_accounting: line can have different aggregate

bt5/erp5_real_time_inventory_accounting/PathTemplateItem/portal_deliveries/inventory_asset_price_accounting_transaction_builder/category_movement_group_on_delivery.xml

@@ -39,7 +39,6 @@
               <tuple>
                 <string>specialise</string>
                 <string>resource</string>
-                <string>aggregate</string>
                 <string>delivery_mode</string>
                 <string>incoterm</string>
                 <string>ledger</string>