private void deleteClusterAdminInfos(String clusterAdminType, String adminConfigZNodePath) {
    for (Map.Entry<String, ClusterMapUtils.DcZkInfo> entry : dataCenterToZkAddress.entrySet()) {
      info("Deleting {} infos for datacenter {}.", clusterAdminType, entry.getKey());
      HelixPropertyStore<ZNRecord> helixPropertyStore =
          createHelixPropertyStore(this.clusterName, entry.getValue().getZkConnectStrs().get(0));
      if (!helixPropertyStore.remove(adminConfigZNodePath, AccessOption.PERSISTENT)) {
        logger.error("Failed to remove {} infos from datacenter {}", clusterAdminType, entry.getKey());
      }
      helixPropertyStore.stop();
    }
  }
Delete specified admin config at given znode path.
@param clusterAdminType the name of admin config.
@param adminConfigZNodePath the znode path of admin config.
ambry-clustermap/src/main/java/com/github/ambry/clustermap/HelixBootstrapUpgradeUtil.java