refactor(Firewall): 移除 CC 防火墙调试日志

- 移除了 CC 防火墙允许请求时的调试打印语句
- 保持防火墙核心逻辑不变
- 清理了不必要的控制台输出代码

Author: csfwff

src/main/java/org/b3log/symphony/util/Firewall.java

@@ -112,8 +112,6 @@ public static boolean recordAndMaybeBan(final String ip) {
             return false;
         }
 
-        System.out.println("CC firewall allowed " + ip + " [" + counter.count.sum() + "]");
-
         return !BANNED.contains(ip);
     }