code: public DeploymentService delete(long applicationId, long deploymentId)
      {
          HTTP.DELETE(String.format("/v2/applications/%d/deployments/%d.json", applicationId, deploymentId));       
          return this;
      }
docs: Deletes the deployment with the given id.
  @param applicationId The application id for the deployments
  @param deploymentId The id of the deployment to delete
  @return This object