code: @Override
      public DeletePolicyResult deletePolicy(DeletePolicyRequest request) {
          request = beforeClientExecution(request);
          return executeDeletePolicy(request);
      }
docs: <p>
  Deletes the specified scaling policy.
  </p>
  <p>
  Deleting a policy deletes the underlying alarm action, but does not delete the alarm, even if it no longer has an
  associated action.
  </p>
  
  @param deletePolicyRequest
  @return Result of the DeletePolicy operation returned by the service.
  @throws ResourceContentionException
  You already have a pending update to an Amazon EC2 Auto Scaling resource (for example, an Auto Scaling
  group, instance, or load balancer).
  @throws ServiceLinkedRoleFailureException
  The service-linked role is not yet ready for use.
  @sample AmazonAutoScaling.DeletePolicy
  @see <a href="http://docs.aws.amazon.com/goto/WebAPI/autoscaling-2011-01-01/DeletePolicy" target="_top">AWS API
  Documentation</a>