Merge pull request #172 from kt-cloud-basic-project/refactor/orderproduct-relation

refactor: payment domain 매핑 수정

Author: jungyoyang

src/main/java/com/kt/domain/payment/Payment.java

@@ -15,10 +15,6 @@
 @Table(name = "payment")
 public class Payment extends BaseEntity {
 
-	@Id
-	@GeneratedValue(strategy = GenerationType.IDENTITY)
-	private Long id;
-
 	@Column(nullable = false)
 	private Long totalPrice;    // 총 상품 금액