Fix absolute path getting for runc binary

Signed-off-by: Alexander Morozov <lk4d4@docker.com>

main.go

@@ -2,7 +2,6 @@ package main
 
 import (
 	"os"
-	"path/filepath"
 	"runtime"
 
 	"github.com/Sirupsen/logrus"
@@ -97,12 +96,6 @@ func main() {
 		os.Exit(status)
 	}
 
-	//allow for relative path for the runC binary
-	if absPath, err := filepath.Abs(os.Args[0]); err != nil {
-		logrus.Fatal("Cannot convert runc path to absolute: %v", err)
-	} else {
-		os.Args[0] = absPath
-	}
 	if err := app.Run(os.Args); err != nil {
 		logrus.Fatal(err)
 	}