code: public void visit(final WebApp webApp) {
  		//CHECKSTYLE:OFF
  		try {
  			httpService.unregister("/");
  		} catch (Exception ignore) {
  			LOG.warn("Unregistration exception. Skipping.", ignore);
  		}
  		//CHECKSTYLE:ON
  	}
docs: Unregisters resources related to web app.
  
  @see WebAppVisitor#visit(WebApp)