public NamespaceAuditor getNamespaceQuotaManager() {
    return this.namespaceQuotaManager;
  }
Remove table from namespace quota.
@param tName - The table name to update quota usage.
@throws IOException Signals that an I/O exception has occurred.
hbase-server/src/main/java/org/apache/hadoop/hbase/quotas/MasterQuotaManager.java