fix lint nd remove namespace deletion detection

Author: aojea

pkg/ingress/controller.go

@@ -205,7 +205,7 @@ func (c *Controller) Init(ctx context.Context) error {
 		},
 	}
 	if config.DefaultConfig.IngressDefault {
-		ingressClass.ObjectMeta.Annotations = map[string]string{
+		ingressClass.Annotations = map[string]string{
 			networkingv1.AnnotationIsDefaultIngressClass: "true",
 		}
 	}
@@ -274,12 +274,6 @@ func (c *Controller) syncHandler(ctx context.Context, key string) error {
 	ingress, err := c.ingressLister.Ingresses(namespace).Get(name)
 	if err != nil {
 		if errors.IsNotFound(err) {
-			// Ingress is deleted.
-			_, err := c.clientset.CoreV1().Namespaces().Get(ctx, namespace, metav1.GetOptions{})
-			if errors.IsNotFound(err) {
-				klog.V(4).Infof("Namespace %s not found, skipping Gateway reconciliation for deleted Ingress %s/%s", namespace, namespace, name)
-				return nil // Namespace is gone, nothing to do.
-			}
 			// Kubernetes Garbage Collection will delete child HTTPRoutes due to OwnerReference.
 			// We only need to reconcile the Gateway in case this Ingress
 			// was the last one providing a particular TLS secret.