vendor: bump runc to f000fe11

vendor/github.com/opencontainers/runc/libcontainer/utils/utils.go

@@ -1,8 +1,6 @@
 package utils
 
 import (
-	"crypto/rand"
-	"encoding/hex"
 	"encoding/json"
 	"io"
 	"os"
@@ -17,19 +15,6 @@ const (
 	exitSignalOffset = 128
 )
 
-// GenerateRandomName returns a new name joined with a prefix.  This size
-// specified is used to truncate the randomly generated value
-func GenerateRandomName(prefix string, size int) (string, error) {
-	id := make([]byte, 32)
-	if _, err := io.ReadFull(rand.Reader, id); err != nil {
-		return "", err
-	}
-	if size > 64 {
-		size = 64
-	}
-	return prefix + hex.EncodeToString(id)[:size], nil
-}
-
 // ResolveRootfs ensures that the current working directory is
 // not a symlink and returns the absolute path to the rootfs
 func ResolveRootfs(uncleanRootfs string) (string, error) {