code: func (media *StoryMedia) Delete() error {
  	insta := media.inst
  	data, err := insta.prepareData(
  		map[string]interface{}{
  			"media_id": media.ID(),
  		},
  	)
  	if err == nil {
  		_, err = insta.sendRequest(
  			&reqOptions{
  				Endpoint: fmt.Sprintf(urlMediaDelete, media.ID()),
  				Query:    generateSignature(data),
  				IsPost:   true,
  			},
  		)
  	}
  	return err
  }
docs: // Delete removes instragram story.
  //
  // See example: examples/media/deleteStories.go