public async Task <string> DeleteSubscriber(string id)
        {
            if (string.IsNullOrEmpty(id))
            {
                return("Invalid id");
            }

            await _subscriberRepository.Remove(id);

            return("Successfully Deleted");
        }
 public void Delete(Subscriber subscriber)
 {
     _repository.Remove(subscriber);
     _uow.Commit();
 }