Restore EnsureLoadBalancer contract comment

Author: komer3

cloud/linode/loadbalancers.go

@@ -264,6 +264,8 @@ func (l *loadbalancers) GetLoadBalancer(ctx context.Context, clusterName string,
 
 // EnsureLoadBalancer ensures that the cluster is running a load balancer for
 // service.
+//
+// EnsureLoadBalancer will not modify service or nodes.
 func (l *loadbalancers) EnsureLoadBalancer(ctx context.Context, clusterName string, service *v1.Service, nodes []*v1.Node) (lbStatus *v1.LoadBalancerStatus, err error) {
 	ctx = sentry.SetHubOnContext(ctx)
 	sentry.SetTag(ctx, "cluster_name", clusterName)