code: func (api *API) DeleteWorkerRoute(zoneID string, routeID string) (WorkerRouteResponse, error) {
  	// For deleting a route, it doesn't matter whether we use the
  	// single-script or multi-script endpoint
  	uri := "/zones/" + zoneID + "/workers/filters/" + routeID
  	res, err := api.makeRequest("DELETE", uri, nil)
  	if err != nil {
  		return WorkerRouteResponse{}, errors.Wrap(err, errMakeRequestError)
  	}
  	var r WorkerRouteResponse
  	err = json.Unmarshal(res, &r)
  	if err != nil {
  		return WorkerRouteResponse{}, errors.Wrap(err, errUnmarshalError)
  	}
  	return r, nil
  }
docs: // DeleteWorkerRoute deletes worker route for a zone
  //
  // API reference: https://api.cloudflare.com/#worker-filters-delete-filter