bake: hcl merged tests

Signed-off-by: CrazyMax <[email protected]>

Author: crazy-max

bake/hclparser/merged.go

@@ -1,8 +1,6 @@
 // Copyright (c) HashiCorp, Inc.
 // SPDX-License-Identifier: MPL-2.0
 
-// Forked from https://github.com/hashicorp/hcl/blob/4679383728fe331fc8a6b46036a27b8f818d9bc0/merged.go
-
 package hclparser
 
 import (