DruidStorageHandler should not disable the druid datasource when a hive external table is dropped

if (deleteData && MetaStoreUtils.isExternalTablePurge(table)) {
  LOG.info("Dropping with purge all the data for data source {}", dataSourceName);
  List<DataSegment>
      dataSegmentList =
      DruidStorageHandlerUtils.getDataSegmentList(getConnector(),
          getDruidMetadataStorageTablesConfig(),
          dataSourceName);
  if (dataSegmentList.isEmpty()) {
    LOG.info("Nothing to delete for data source {}", dataSourceName);
    return;
  }
  for (DataSegment dataSegment : dataSegmentList) {
    try {
      deleteSegment(dataSegment);
    } catch (SegmentLoadingException e) {
      LOG.error(String.format("Error while deleting segment [%s]", dataSegment.getIdentifier()), e);
    }
  }
}
if (DruidStorageHandlerUtils.disableDataSource(getConnector(),
    getDruidMetadataStorageTablesConfig(),
    dataSourceName)) {
  LOG.info("Successfully dropped druid data source {}", dataSourceName);
}