Add no_tracing tag

Signed-off-by: Maksym Pavlenko <pavlenko.maksym@gmail.com>

cmd/containerd/command/main.go

@@ -35,7 +35,6 @@ import (
 	"github.com/containerd/containerd/services/server"
 	srvconfig "github.com/containerd/containerd/services/server/config"
 	"github.com/containerd/containerd/sys"
-	"github.com/containerd/containerd/tracing"
 	"github.com/containerd/containerd/version"
 	"github.com/sirupsen/logrus"
 	"github.com/urfave/cli"
@@ -302,7 +301,6 @@ func applyFlags(context *cli.Context, config *srvconfig.Config) error {
 	if err := setLogFormat(config); err != nil {
 		return err
 	}
-	setLogHooks()
 
 	for _, v := range []struct {
 		name string
@@ -369,10 +367,6 @@ func setLogFormat(config *srvconfig.Config) error {
 	return nil
 }
 
-func setLogHooks() {
-	logrus.StandardLogger().AddHook(tracing.NewLogrusHook())
-}
-
 func dumpStacks(writeToFile bool) {
 	var (
 		buf       []byte