public void rmvGroupSubTopicInfo(String group, Set<String> topicSet) {
        if (topicSet == null || group == null) {
            return;
        }
        ConcurrentHashSet<String> groupSet;
        for (String topic : topicSet) {
            if (topic == null) {
                continue;
            }
            groupSet = topicSubInfoMap.get(topic);
            if (groupSet == null) {
                continue;
            }
            groupSet.remove(group);
        }
    }
Remove the group's topic set

@param group    the group name which needs removed topic
@param topicSet the topic set which the group name subscribed
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/master/nodemanage/nodebroker/TopicPSInfoManager.java