[chore/#79] legacy코드 제거

src/main/java/com/practice/course_registration/global/redis/service/IdempotencyService.java

@@ -3,7 +3,6 @@
 import com.practice.course_registration.global.redis.utils.RedisKeyUtils;
 import java.time.Duration;
 import lombok.RequiredArgsConstructor;
-import org.springframework.boot.autoconfigure.cache.CacheProperties.Redis;
 import org.springframework.data.redis.core.StringRedisTemplate;
 import org.springframework.stereotype.Service;
 
@@ -20,7 +19,6 @@ public class IdempotencyService {
     public boolean rateLimitAllow(Long memberId, int limit, Duration ttl) {
         String key = RedisKeyUtils.rateLimitKey(memberId);
         Long cnt = stringRedisTemplate.opsForValue().increment(key);
-        System.out.println("cnt : " + cnt);
         // 첫 요청인 경우 -> TTL 1로 세팅
         if (cnt != null && cnt == 1L) {
             stringRedisTemplate.expire(key, ttl);

src/main/java/com/practice/course_registration/global/redis/service/PublishIssueTokenScheduler.java

@@ -21,7 +21,7 @@ public void issue() {
         try {
             long cnt = luaRepository.publishIssueTokens(PERMITS_PER_TICKS, TOKEN_TTL);
             if (cnt > 0) {
-                log.info("토큰 발급 성공: count={}, sample={}", cnt);
+                log.info("토큰 발급 성공: count={}", cnt);
             }
         } catch (Exception e) {
             log.error("토큰 발급 실패", e);

src/main/java/com/practice/course_registration/global/redis/service/WaitQueueService.java

@@ -1,7 +1,6 @@
 package com.practice.course_registration.global.redis.service;
 
 import com.practice.course_registration.global.redis.utils.RedisKeyUtils;
-import java.time.Duration;
 import lombok.RequiredArgsConstructor;
 import lombok.extern.slf4j.Slf4j;
 import org.springframework.data.redis.core.StringRedisTemplate;