code: func (d *awsDisk) deleteVolume() (bool, error) {
  	request := &ec2.DeleteVolumeInput{VolumeId: d.awsID.awsString()}
  	_, err := d.ec2.DeleteVolume(request)
  	if err != nil {
  		if awsError, ok := err.(awserr.Error); ok {
  			if awsError.Code() == "InvalidVolume.NotFound" {
  				return false, nil
  			}
  			if awsError.Code() == "VolumeInUse" {
  				return false, volume.NewDeletedVolumeInUseError(err.Error())
  			}
  		}
  		return false, fmt.Errorf("error deleting EBS volume %q: %v", d.awsID, err)
  	}
  	return true, nil
  }
docs: // Deletes the EBS disk