chore(kontemplate): Prepare kontemplate for depot-merge

This merge will not yet include moving over to buildGo.nix, as support
for testing and such is not present in that library yet.

util/util.go

@@ -1,58 +0,0 @@
-// Copyright (C) 2016-2019  Vincent Ambo <mail@tazj.in>
-//
-// This file is part of Kontemplate.
-//
-// Kontemplate is free software: you can redistribute it and/or modify
-// it under the terms of the GNU General Public License as published by
-// the Free Software Foundation, either version 3 of the License, or
-// (at your option) any later version.
-
-package util
-
-import (
-	"io/ioutil"
-
-	"github.com/ghodss/yaml"
-)
-
-// Filenames excluded from templating for the purpose of containing default variable values inside a resource set.
-var DefaultFilenames []string = []string{"default.yml", "default.yaml", "default.json"}
-
-// Merges two maps together. Values from the second map override values in the first map.
-// The returned map is new if anything was changed.
-func Merge(in1 *map[string]interface{}, in2 *map[string]interface{}) *map[string]interface{} {
-	if in1 == nil || len(*in1) == 0 {
-		return in2
-	}
-
-	if in2 == nil || len(*in2) == 0 {
-		return in1
-	}
-
-	new := make(map[string]interface{})
-	for k, v := range *in1 {
-		new[k] = v
-	}
-
-	for k, v := range *in2 {
-		new[k] = v
-	}
-
-	return &new
-}
-
-// Loads either a YAML or JSON file from the specified path and
-// deserialises it into the provided interface.
-func LoadData(filename string, addr interface{}) error {
-	file, err := ioutil.ReadFile(filename)
-	if err != nil {
-		return err
-	}
-
-	err = yaml.Unmarshal(file, addr)
-	if err != nil {
-		return err
-	}
-
-	return nil
-}