remove unused utils

Signed-off-by: Daniel, Dao Quang Minh <dqminh89@gmail.com>

daemon/execdriver/native/utils.go

@@ -1,22 +0,0 @@
-// +build linux
-
-package native
-
-//func findUserArgs() []string {
-//for i, a := range os.Args {
-//if a == "--" {
-//return os.Args[i+1:]
-//}
-//}
-//return []string{}
-//}
-
-//// loadConfigFromFd loads a container's config from the sync pipe that is provided by
-//// fd 3 when running a process
-//func loadConfigFromFd() (*configs.Config, error) {
-//var config *libcontainer.Config
-//if err := json.NewDecoder(os.NewFile(3, "child")).Decode(&config); err != nil {
-//return nil, err
-//}
-//return config, nil
-//}