api/annotation.go
func (a *API) DeleteAnnotation(cfg *Annotation) (bool, error) {
	if cfg == nil {
		return false, fmt.Errorf("Invalid annotation config [nil]")
	}

	return a.DeleteAnnotationByCID(CIDType(&cfg.CID))
}
func (a *API) DeleteAnnotation(cfg *Annotation) (bool, error) {
	if cfg == nil {
		return false, fmt.Errorf("Invalid annotation config [nil]")
	}

	return a.DeleteAnnotationByCID(CIDType(&cfg.CID))
}
// DeleteAnnotation deletes passed annotation.