docs: def drop_schema(client, table_name):
          """
          Delete the table/columnfamily.
  
          :param client: A Cassandra CQL client
          :type client: silverberg.client.CQLClient
  
          :param lock_table: A table/columnfamily table name for holding locks.
          :type lock_table: str
          """
          query = 'DROP TABLE {cf}'
          return client.execute(query.format(cf=table_name),
                                {}, ConsistencyLevel.QUORUM)