Merge pull request solidusio#6450 from SuperGoodSoft/less-redundancy

Remove redundant item total setting

Author: mamhoff

core/app/models/spree/in_memory_order_updater.rb

@@ -237,7 +237,6 @@ def recalculate_line_item_prices
 
     def persist_totals
       shipments.each(&:persist_amounts)
-      assign_item_totals
       log_state_change("payment")
       log_state_change("shipment")
       order.save!