@Override
    public void setLastRptBrokerMetaConfId(long lastRptBrokerMetaConfId) {
        this.lastRptBrokerMetaConfId = lastRptBrokerMetaConfId;
    }
Get hard removed topics. Hard removed means the disk files is deleted, cannot be recovery.
Topic will be deleted in two phases, the first is mark topic's file delete, the second is delete the disk files.

@return the removed topics
inlong-tubemq/tubemq-server/src/main/java/org/apache/inlong/tubemq/server/broker/metadata/BrokerMetadataManager.java