code: func (api *API) DeleteZoneAccessRule(zoneID, accessRuleID string) (*AccessRuleResponse, error) {
  	return api.deleteAccessRule("/zones/"+zoneID, accessRuleID)
  }
docs: // DeleteZoneAccessRule deletes a single access rule for the given zone and
  // access rule identifiers.
  //
  // API reference: https://api.cloudflare.com/#firewall-access-rule-for-a-zone-delete-access-rule