code: func (c *Redshift) DeleteHsmClientCertificate(input *DeleteHsmClientCertificateInput) (*DeleteHsmClientCertificateOutput, error) {
  	req, out := c.DeleteHsmClientCertificateRequest(input)
  	return out, req.Send()
  }
docs: // DeleteHsmClientCertificate API operation for Amazon Redshift.
  //
  // Deletes the specified HSM client certificate.
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for Amazon Redshift's
  // API operation DeleteHsmClientCertificate for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeInvalidHsmClientCertificateStateFault "InvalidHsmClientCertificateStateFault"
  //   The specified HSM client certificate is not in the available state, or it
  //   is still in use by one or more Amazon Redshift clusters.
  //
  //   * ErrCodeHsmClientCertificateNotFoundFault "HsmClientCertificateNotFoundFault"
  //   There is no Amazon Redshift HSM client certificate with the specified identifier.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/redshift-2012-12-01/DeleteHsmClientCertificate