Merge pull request #55041 from wackxu/remdup

Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

remove duplicate healthz check register

**What this PR does / why we need it**:

We registe healthz check twice, another is 

https://github.com/kubernetes/kubernetes/blob/master/cmd/kube-controller-manager/app/controllermanager.go#L203

we should remove the duplicate one

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```

cmd/kube-controller-manager/BUILD

@@ -33,7 +33,6 @@ go_library(
         "//pkg/version/prometheus:go_default_library",
         "//pkg/version/verflag:go_default_library",
         "//vendor/github.com/spf13/pflag:go_default_library",
-        "//vendor/k8s.io/apiserver/pkg/server/healthz:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/util/flag:go_default_library",
         "//vendor/k8s.io/apiserver/pkg/util/logs:go_default_library",
     ],

cmd/kube-controller-manager/controller-manager.go

@@ -24,7 +24,6 @@ import (
 	"fmt"
 	"os"
 
-	"k8s.io/apiserver/pkg/server/healthz"
 	"k8s.io/apiserver/pkg/util/flag"
 	"k8s.io/apiserver/pkg/util/logs"
 	"k8s.io/kubernetes/cmd/kube-controller-manager/app"
@@ -38,10 +37,6 @@ import (
 	"github.com/spf13/pflag"
 )
 
-func init() {
-	healthz.DefaultHealthz()
-}
-
 func main() {
 	s := options.NewCMServer()
 	s.AddFlags(pflag.CommandLine, app.KnownControllers(), app.ControllersDisabledByDefault.List())