code: @Override
      public DeleteSpotDatafeedSubscriptionResult deleteSpotDatafeedSubscription(DeleteSpotDatafeedSubscriptionRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteSpotDatafeedSubscription(request);
      }
docs: <p>
  Deletes the data feed for Spot Instances.
  </p>
  
  @param deleteSpotDatafeedSubscriptionRequest
  Contains the parameters for DeleteSpotDatafeedSubscription.
  @return Result of the DeleteSpotDatafeedSubscription operation returned by the service.
  @sample AmazonEC2.DeleteSpotDatafeedSubscription
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/ec2-2016-11-15/DeleteSpotDatafeedSubscription"
  target="_top">AWS API Documentation</a>