🧹 fix license header for BSD licensed file (#4450)

With #1557 we used a tool to add headers. Since the existing attribution was not detected properly by the tool, it accidentally attached the BUSL 1.1 license. This fixes the header to avoid future confusion.

providers/os/connection/tar/path.go

@@ -1,5 +1,9 @@
-// Copyright (c) Mondoo, Inc.
-// SPDX-License-Identifier: BUSL-1.1
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// Original source: https://golang.org/src/path/path.go
+
+// The following code is adapted from golang but removes the cross-compile code so
+// that it always behaves unix style no matter for which platform it was compiled
 
 package tar
 
@@ -8,9 +12,6 @@ import (
  "strings"
 )
 
-// the following code is adapted from golang but removes the cross-compile code so that it
-// always behaves unix style no matter for which platform it was compiled
-
 // docker images only use relative paths, we need to make them absolute here
 func Abs(path string) string {
  return join("/", path)