add Goods drop_duplicates fun

sync_amz_data/public/sp_api_client.py

@@ -1020,7 +1020,6 @@ class SpApiRequest:
                 conn.rollback()
                 print("错误过程2",e)
 
-
     @staticmethod
     def get_listing_info01(refresh_token, countryCode, asin, seller_id): # used in listing_infoTable
         # print(refresh_token)