public void deactivate(ApplicationTransaction transaction) {
        deactivate(nodeRepository.loadBalancers().list(transaction.application()).asList(), transaction.nested());
    }
Deactivate all load balancers assigned to given application. This is a no-op if an application does not have any
load balancer(s).
node-repository/src/main/java/com/yahoo/vespa/hosted/provision/provisioning/LoadBalancerProvisioner.java