fix(application): use controller default port set metrics (tkestack#1972

)

Co-authored-by: xdonggao <xdonggao@tencent.com>

cmd/tke-application-controller/controller-manager.go

@@ -20,13 +20,10 @@ package main
 
 import (
 	"math/rand"
-	"net/http"
 	"os"
 	"runtime"
 	"time"
 
-	"github.com/prometheus/client_golang/prometheus/promhttp"
-	"k8s.io/klog"
 	"tkestack.io/tke/cmd/tke-application-controller/app"
 )
 
@@ -36,13 +33,5 @@ func main() {
 		runtime.GOMAXPROCS(runtime.NumCPU())
 	}
 
-	mux := http.NewServeMux()
-	mux.Handle("/metrics", promhttp.Handler())
-	go func() {
-		if err := http.ListenAndServe(":9464", mux); err != nil {
-			klog.Fatal(err)
-		}
-	}()
-
 	app.NewApp("tke-application-controller").Run()
 }