feat: productCode 설정 변경

mens-core/src/main/java/kr/xit/biz/ens/model/kakao/v2/KkotalkDTO.java

@@ -48,7 +48,6 @@ public class KkotalkDTO extends KkotalkApiDTO {
          */
         @Schema(requiredMode = Schema.RequiredMode.REQUIRED, title = "상품코드", example = "D10_2", allowableValues = {"D10_1","D10_2","D11_1","D11_2"})
         @Size(min = 3, max = 5, message = "상품 코드는 필수 입니다(\"D10_1\",\"D10_2\",\"D11_1\",\"D11_2\"")
-        @Builder.Default
         private String productCode = "D10_2";
 
         @Schema(requiredMode = Schema.RequiredMode.REQUIRED)
@@ -73,7 +72,6 @@ public class KkotalkDTO extends KkotalkApiDTO {
          */
         @Schema(requiredMode = Schema.RequiredMode.REQUIRED, title = "상품코드", example = "D10_1", allowableValues = {"D10_1","D10_2","D11_1","D11_2"})
         @Size(min = 3, max = 5, message = "상품 코드는 필수 입니다(\"D10_1\",\"D10_2\",\"D11_1\",\"D11_2\"")
-        @Builder.Default
         private String productCode = "D10_2";
 
         @Schema(requiredMode = Schema.RequiredMode.REQUIRED)