libct: Init: remove LockOSThread

This call is already made in init.go, no need for a duplicate.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>

libcontainer/setns_init_linux.go

@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"runtime"
 	"strconv"
 
 	"github.com/opencontainers/selinux/go-selinux"
@@ -31,9 +30,6 @@ func (l *linuxSetnsInit) getSessionRingName() string {
 }
 
 func (l *linuxSetnsInit) Init() error {
-	runtime.LockOSThread()
-	defer runtime.UnlockOSThread()
-
 	if !l.config.Config.NoNewKeyring {
 		if err := selinux.SetKeyLabel(l.config.ProcessLabel); err != nil {
 			return err