@Override
    public Set<String> cleanRmvTopicInfo(Set<String> rmvTopics) {
        return Collections.EMPTY_SET;
    }
Get offset stored in zookeeper, if not found or error, set null

@param groupTopicPartMap   the group topic-partition map
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/broker/offset/offsetstorage/ZkOffsetStorage.java