Remove TopologyHints and TrafficDistribution feature flags

The features are always enabled, so the tests don't need to be
conditional.

Author: danwinship

test/e2e/feature/feature.go

@@ -512,14 +512,6 @@ var (
 	// - ci-kubernetes-node-e2e-cri-proxy-serial
 	CriProxy = framework.WithFeature(framework.ValidFeatures.Add("CriProxy"))
 
-	// Owner: sig-network
-	// Marks tests that require a cluster with Topology Hints enabled.
-	TopologyHints = framework.WithFeature(framework.ValidFeatures.Add("Topology Hints"))
-
-	// Owner: sig-network
-	// Marks tests that require a cluster with Traffic Distribution enabled.
-	TrafficDistribution = framework.WithFeature(framework.ValidFeatures.Add("Traffic Distribution"))
-
 	// TODO: document the feature (owning SIG, when to use this feature for a test)
 	TopologyManager = framework.WithFeature(framework.ValidFeatures.Add("TopologyManager"))
 

test/e2e/network/topology_hints.go

@@ -30,7 +30,6 @@ import (
 	"k8s.io/apimachinery/pkg/util/intstr"
 	"k8s.io/apimachinery/pkg/util/wait"
 	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/kubernetes/test/e2e/feature"
 	"k8s.io/kubernetes/test/e2e/framework"
 	e2edaemonset "k8s.io/kubernetes/test/e2e/framework/daemonset"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@@ -41,7 +40,7 @@ import (
 	admissionapi "k8s.io/pod-security-admission/api"
 )
 
-var _ = common.SIGDescribe(feature.TopologyHints, func() {
+var _ = common.SIGDescribe("Topology Hints", func() {
 	f := framework.NewDefaultFramework("topology-hints")
 	f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged
 

test/e2e/network/traffic_distribution.go

@@ -28,8 +28,6 @@ import (
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/apimachinery/pkg/util/intstr"
 	clientset "k8s.io/client-go/kubernetes"
-	"k8s.io/kubernetes/pkg/features"
-	"k8s.io/kubernetes/test/e2e/feature"
 	"k8s.io/kubernetes/test/e2e/framework"
 	e2enode "k8s.io/kubernetes/test/e2e/framework/node"
 	e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@@ -43,7 +41,7 @@ import (
 	"github.com/onsi/gomega"
 )
 
-var _ = common.SIGDescribe(feature.TrafficDistribution, framework.WithFeatureGate(features.ServiceTrafficDistribution), func() {
+var _ = common.SIGDescribe("Traffic Distribution", func() {
 	f := framework.NewDefaultFramework("traffic-distribution")
 	f.NamespacePodSecurityLevel = admissionapi.LevelPrivileged