Merge pull request #692 from woowacourse-teams/feat/668-be-like

좋아요 기능의 응답 코드를 통일

backend/src/main/java/codezap/likes/controller/LikesController.java

@@ -26,6 +26,6 @@ public ResponseEntity<Void> like(@AuthenticationPrinciple MemberDto memberDto, @
     @DeleteMapping("like/{templateId}")
     public ResponseEntity<Void> cancelLike(@AuthenticationPrinciple MemberDto memberDto, @PathVariable long templateId) {
         likesService.cancelLike(memberDto, templateId);
-        return ResponseEntity.noContent().build();
+        return ResponseEntity.ok().build();
     }
 }