remove use of github.com/docker/docker/pkg/longpath

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

vendor/github.com/docker/docker/pkg/longpath/longpath.go

@@ -1,42 +0,0 @@
-// Package longpath introduces some constants and helper functions for handling
-// long paths in Windows.
-//
-// Long paths are expected to be prepended with "\\?\" and followed by either a
-// drive letter, a UNC server\share, or a volume identifier.
-package longpath
-
-import (
-	"os"
-	"runtime"
-	"strings"
-)
-
-// longPathPrefix is the longpath prefix for Windows file paths.
-const longPathPrefix = `\\?\`
-
-// AddPrefix adds the Windows long path prefix to the path provided if
-// it does not already have it.
-func AddPrefix(path string) string {
-	if strings.HasPrefix(path, longPathPrefix) {
-		return path
-	}
-	if strings.HasPrefix(path, `\\`) {
-		// This is a UNC path, so we need to add 'UNC' to the path as well.
-		return longPathPrefix + `UNC` + path[1:]
-	}
-	return longPathPrefix + path
-}
-
-// MkdirTemp is the equivalent of [os.MkdirTemp], except that on Windows
-// the result is in Windows longpath format. On Unix systems it is
-// equivalent to [os.MkdirTemp].
-func MkdirTemp(dir, prefix string) (string, error) {
-	tempDir, err := os.MkdirTemp(dir, prefix)
-	if err != nil {
-		return "", err
-	}
-	if runtime.GOOS != "windows" {
-		return tempDir, nil
-	}
-	return AddPrefix(tempDir), nil
-}