code: func (c *TranscriptionService) Delete(ctx context.Context, sid string) error {
  	return c.client.DeleteResource(ctx, transcriptionPathPart, sid)
  }
docs: // Delete the Transcription with the given sid. If the Transcription has
  // already been deleted, or does not exist, Delete returns nil. If another
  // error or a timeout occurs, the error is returned.