Remove unnecessary e2e feature.UDP

[Feature:UDP] was probably added in the past by analogy to
[Feature:SCTP], but is unnecessary since UDP support has always been
required.

Author: danwinship

test/e2e/feature/feature.go

@@ -327,9 +327,6 @@ var (
 	// TODO: document the feature (owning SIG, when to use this feature for a test)
 	TopologyManager = framework.WithFeature(framework.ValidFeatures.Add("TopologyManager"))
 
-	// TODO: document the feature (owning SIG, when to use this feature for a test)
-	UDP = framework.WithFeature(framework.ValidFeatures.Add("UDP"))
-
 	// TODO: document the feature (owning SIG, when to use this feature for a test)
 	Upgrade = framework.WithFeature(framework.ValidFeatures.Add("Upgrade"))
 

test/e2e/network/netpol/network_policy.go

@@ -893,7 +893,7 @@ var _ = common.SIGDescribe("Netpol", func() {
 			ValidateOrFail(k8s, &TestCase{ToPort: 80, Protocol: v1.ProtocolTCP, Reachability: reachability})
 		})
 
-		f.It("should enforce ingress policy allowing any port traffic to a server on a specific protocol", feature.NetworkPolicy, feature.UDP, func(ctx context.Context) {
+		f.It("should enforce ingress policy allowing any port traffic to a server on a specific protocol", feature.NetworkPolicy, func(ctx context.Context) {
 			protocols := []v1.Protocol{protocolTCP, protocolUDP}
 			ports := []int32{80}
 			k8s = initializeResources(ctx, f, protocols, ports)