Remove write-only ProxyServer fields

cmd/kube-proxy/app/server.go

@@ -79,11 +79,7 @@ import (
 	proxyutil "k8s.io/kubernetes/pkg/proxy/util"
 	"k8s.io/kubernetes/pkg/util/filesystem"
 	utilflag "k8s.io/kubernetes/pkg/util/flag"
-	utilipset "k8s.io/kubernetes/pkg/util/ipset"
-	utiliptables "k8s.io/kubernetes/pkg/util/iptables"
-	utilipvs "k8s.io/kubernetes/pkg/util/ipvs"
 	"k8s.io/kubernetes/pkg/util/oom"
-	"k8s.io/utils/exec"
 	netutils "k8s.io/utils/net"
 	"k8s.io/utils/pointer"
 )
@@ -529,10 +525,6 @@ with the apiserver API to configure the proxy.`,
 type ProxyServer struct {
 	Client                 clientset.Interface
 	EventClient            v1core.EventsGetter
-	IptInterface           utiliptables.Interface
-	IpvsInterface          utilipvs.Interface
-	IpsetInterface         utilipset.Interface
-	execer                 exec.Interface
 	Proxier                proxy.Provider
 	Broadcaster            events.EventBroadcaster
 	Recorder               events.EventRecorder

cmd/kube-proxy/app/server_others.go

@@ -339,10 +339,6 @@ func newProxyServer(
 	return &ProxyServer{
 		Client:                 client,
 		EventClient:            eventClient,
-		IptInterface:           iptInterface,
-		IpvsInterface:          ipvsInterface,
-		IpsetInterface:         ipsetInterface,
-		execer:                 execer,
 		Proxier:                proxier,
 		Broadcaster:            eventBroadcaster,
 		Recorder:               recorder,

pkg/proxy/kubemark/hollow_proxy.go

@@ -126,7 +126,6 @@ func NewHollowProxyOrDie(
 		ProxyServer: &proxyapp.ProxyServer{
 			Client:           client,
 			EventClient:      eventClient,
-			IptInterface:     iptInterface,
 			Proxier:          proxier,
 			Broadcaster:      broadcaster,
 			Recorder:         recorder,