Refactor: 전반적인 서비스 코드 리팩터링 진행

src/main/java/ssafy/retrip/api/controller/retrip/RetripController.java

@@ -13,7 +13,6 @@
 import org.springframework.web.multipart.MultipartFile;
 import ssafy.retrip.api.controller.retrip.response.TravelAnalysisResponseDto;
 import ssafy.retrip.api.service.retrip.RetripService;
-import ssafy.retrip.domain.member.MemberRepository;
 
 @RestController
 @RequiredArgsConstructor
@@ -25,18 +24,12 @@ public class RetripController {
   @PostMapping("/uploads")
   public ResponseEntity<TravelAnalysisResponseDto> uploadMultipleImages(HttpServletRequest request,
       @RequestParam("images") List<MultipartFile> images) throws IOException {
-    // 비회원 사용자를 가정하여 memberId를 null로 설정합니다.
-    String memberId = null;
 
     try {
-      return ResponseEntity.ok(retripService.createRetripFromImages(images, memberId));
+      return ResponseEntity.ok(retripService.createRetripFromImages(images));
     } catch (Exception e) {
       e.printStackTrace();
       return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).build();
     }
   }
-
-  // TO-DO : retrip 히스토리 조회 + 회원가입 기능
-
-
 }