fix: 회원가입 이벤트 발행 주석처리

Author: 1117mg

src/main/java/com/climbup/climbup/auth/service/CustomOAuth2UserService.java

@@ -78,11 +78,11 @@ private User createUser(KakaoOAuth2UserInfo userInfo) {
 
         User savedUser = userRepository.save(user);
 
-        userRepository.flush();
+        // userRepository.flush();
 
         log.info("새 사용자 생성 완료: id={}, kakaoId={}", savedUser.getId(), savedUser.getKakaoId());
 
-        eventPublisher.publishEvent(new SignUpEvent(this, nickname, savedUser.getId()));
+        // eventPublisher.publishEvent(new SignUpEvent(this, nickname, savedUser.getId()));
 
         return savedUser;
     }