code: public int deleteTopic(String topic, String password) throws IOException {
          KV<Receive, ErrorMapping> response = send(new DeleterRequest(topic, password));
          return Utils.deserializeIntArray(response.k.buffer())[0];
      }
docs: delete topic never used
  
  @param topic topic name
  @param password password
  @return number of partitions deleted
  @throws IOException if an I/O error