Couponsets Codable error fix

@@ -35,7 +35,7 @@ public class ShopAvailabilityItemModel: Codable {
     }
 }
 
-public class CouponSetItemModel: Codable {
+public class CouponSetItemModel {
     // Existing fields
     private var uuid: String?
     private var admin_name: String?
@@ -318,7 +318,7 @@ public class RedeemedMerchantDetailsModel: Codable {
     }
 }
 
-public class CouponItemModel: Codable {
+public class CouponItemModel {
     public let couponset_uuid: String?
     public let name: String?
     public let image: String?
@@ -453,7 +453,7 @@ public class CouponItemModel: Codable {
     }
 }
 
-public class RedeemedSMHistoryModel: Codable {
+public class RedeemedSMHistoryModel {
     private var totalRedeemedValue: Float
     private var redeemedCouponList: Array<CouponItemModel>