code: @Override
      public DeleteListenerResult deleteListener(DeleteListenerRequest request) {
          request = beforeClientExecution(request);
          return executeDeleteListener(request);
      }
docs: <p>
  Deletes the specified listener.
  </p>
  <p>
  Alternatively, your listener is deleted when you delete the load balancer to which it is attached, using
  <a>DeleteLoadBalancer</a>.
  </p>
  
  @param deleteListenerRequest
  @return Result of the DeleteListener operation returned by the service.
  @throws ListenerNotFoundException
  The specified listener does not exist.
  @sample AmazonElasticLoadBalancing.DeleteListener
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticloadbalancingv2-2015-12-01/DeleteListener"
  target="_top">AWS API Documentation</a>