func (ref archiveReference) DeleteImage(ctx context.Context, sys *types.SystemContext) error {
	// Not really supported, for safety reasons.
	return errors.New("Deleting images not implemented for docker-archive: images")
}
func (ref archiveReference) DeleteImage(ctx context.Context, sys *types.SystemContext) error {
	// Not really supported, for safety reasons.
	return errors.New("Deleting images not implemented for docker-archive: images")
}
// DeleteImage deletes the named image from the registry, if supported.