Below changes is committed on branch feature/apply_sokopoint_reward_api 
  - Feature: multiple reward_id and pre_order_sku_id will pass in remove sokopoint reward API
-Bugfix: Bug slove of removesokopoint api where one order remove then sokopoint sku discount change.
 - Feature: add soko_point_sku_discount in payment/sales-orders/4043 API.
 - Feature: add empty response of sokopoint_rewards when the order is rejected