code: public void removeNodeFromPool(String poolId, String computeNodeId) throws BatchErrorException, IOException {
          removeNodeFromPool(poolId, computeNodeId, null, null, null);
      }
docs: Removes the specified compute node from the specified pool.
  
  @param poolId
  The ID of the pool.
  @param computeNodeId
  The ID of the compute node to remove from the pool.
  @throws BatchErrorException
  Exception thrown when an error response is received from the
  Batch service.
  @throws IOException
  Exception thrown when there is an error in
  serialization/deserialization of data sent to/received from the
  Batch service.