feat: default 이미지 생성

Author: jaewoo9797

codeit-bootcamp-spring/1-sprint-mission/src/main/java/com/sprint/mission/discodeit/controller/channel/ChannelController.java

@@ -8,7 +8,6 @@
 import java.net.URI;
 import java.util.List;
 import java.util.UUID;
-import org.apache.coyote.Response;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RequestBody;
@@ -33,15 +32,15 @@ public ResponseEntity<List<ChannelDto>> getAll(
         return ResponseEntity.ok(channelService.findAllByUserId(userId));
     }
 
-    @RequestMapping(name = "/public", method = RequestMethod.POST)
+    @RequestMapping(value = "/public", method = RequestMethod.POST)
     public ResponseEntity<Void> createPublicChannel(
             @RequestBody PublicChannelCreateRequest publicChannelCreateRequest
     ) {
         channelService.create(publicChannelCreateRequest);
         return ResponseEntity.created(URI.create("/")).build();
     }
 
-    @RequestMapping(name = "/private", method = RequestMethod.POST)
+    @RequestMapping(value = "/private", method = RequestMethod.POST)
     public ResponseEntity<Void> createPrivateChannel(
             @RequestBody PrivateChannelCreateRequest privateChannelCreateRequest
     ) {

codeit-bootcamp-spring/1-sprint-mission/src/main/java/com/sprint/mission/discodeit/controller/user/UserStatusController.java

@@ -2,7 +2,6 @@
 
 import com.sprint.mission.discodeit.dto.request.UserStatusUpdateRequest;
 import com.sprint.mission.discodeit.service.UserStatusService;
-import java.time.Instant;
 import java.util.UUID;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.PathVariable;