added seprate auditable in entity

src/main/java/com/billpaymentservice/bbps/entites/BBPSMerchantValidation.java

@@ -17,7 +17,7 @@ import lombok.NoArgsConstructor;
 @NoArgsConstructor
 @Builder
 @Table(name = "bbps_merchant_validation")
-public class BBPSMerchantValidation {
+public class BBPSMerchantValidation extends Auditable {
 
 	@Id
 	@GeneratedValue(strategy = GenerationType.IDENTITY)
@@ -42,5 +42,5 @@ public class BBPSMerchantValidation {
 
 	private String txtId;
 
-	private boolean is_deleted;
-}
+	// Removed local is_deleted field, now handled by Auditable
+}