code: func (c *Redshift) DeleteSnapshotCopyGrant(input *DeleteSnapshotCopyGrantInput) (*DeleteSnapshotCopyGrantOutput, error) {
  	req, out := c.DeleteSnapshotCopyGrantRequest(input)
  	return out, req.Send()
  }
docs: // DeleteSnapshotCopyGrant API operation for Amazon Redshift.
  //
  // Deletes the specified snapshot copy grant.
  //
  // 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 DeleteSnapshotCopyGrant for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeInvalidSnapshotCopyGrantStateFault "InvalidSnapshotCopyGrantStateFault"
  //   The snapshot copy grant can't be deleted because it is used by one or more
  //   clusters.
  //
  //   * ErrCodeSnapshotCopyGrantNotFoundFault "SnapshotCopyGrantNotFoundFault"
  //   The specified snapshot copy grant can't be found. Make sure that the name
  //   is typed correctly and that the grant exists in the destination region.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/redshift-2012-12-01/DeleteSnapshotCopyGrant