/// <summary>
 /// Delete configuration
 /// </summary>
 /// <param name="service"></param>
 /// <param name="configuration"></param>
 /// <returns></returns>
 public static Task DeleteConfigurationAsync(
     this IIoTHubConfigurationServices service, ConfigurationModel configuration) =>
 service.DeleteConfigurationAsync(configuration.Id, configuration.Etag);
 /// <summary>
 /// Delete configuration
 /// </summary>
 /// <param name="service"></param>
 /// <param name="configurationId"></param>
 /// <returns></returns>
 public static Task DeleteConfigurationAsync(
     this IIoTHubConfigurationServices service, string configurationId) =>
 service.DeleteConfigurationAsync(configurationId, null);