refactor: 코드 정리

src/main/java/com/xit/biz/cmm/controller/CmmFileController.java

@@ -1,27 +1,17 @@
 package com.xit.biz.cmm.controller;
 
-import com.xit.biz.ctgy.dto.MinInfoBoard680Dto;
 import com.xit.biz.ctgy.entity.MinInfoBoard680;
 import com.xit.biz.ctgy.service.ICtgyFileService;
-import com.xit.core.api.IRestResponse;
-import com.xit.core.api.RestResponse;
 import com.xit.core.constant.ErrorCode;
 import com.xit.core.exception.CustomBaseException;
-import com.xit.core.util.AssertUtils;
-import com.xit.core.util.Checks;
-import io.swagger.v3.oas.annotations.Operation;
 import io.swagger.v3.oas.annotations.tags.Tag;
 import lombok.RequiredArgsConstructor;
 import org.apache.commons.io.FileUtils;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.env.Environment;
-import org.springframework.core.io.InputStreamResource;
-import org.springframework.core.io.Resource;
 import org.springframework.http.*;
-import org.springframework.lang.NonNull;
 import org.springframework.web.bind.annotation.*;
 
-import javax.annotation.Nonnull;
 import javax.servlet.http.HttpServletResponse;
 import java.io.File;
 import java.io.IOException;
@@ -32,7 +22,7 @@ import java.nio.file.Path;
 import java.nio.file.Paths;
 import java.util.Arrays;
 
-@Tag(name = "CtgyFileMgtController", description = "공지사항 / 게시판 관리")
+@Tag(name = "CmmFileController", description = "파일 관리")
 @RestController
 @RequiredArgsConstructor
 @RequestMapping("/api/v1/ctgy/cmm")