code: func (api *API) DeleteLoadBalancer(zoneID, lbID string) error {
  	uri := "/zones/" + zoneID + "/load_balancers/" + lbID
  	if _, err := api.makeRequest("DELETE", uri, nil); err != nil {
  		return errors.Wrap(err, errMakeRequestError)
  	}
  	return nil
  }
docs: // DeleteLoadBalancer disables and deletes a load balancer.
  //
  // API reference: https://api.cloudflare.com/#load-balancers-delete-a-load-balancer