removed some unused functions from util

util.go

@@ -1,27 +1,12 @@
 package main
 
 import (
-	"crypto/sha256"
-	"encoding/base64"
 	"log"
 	"os"
 	"path/filepath"
 	"strconv"
 )
 
-// URLToBase64 returns the base64 encoding of the URL parameter
-func URLToBase64(URL string) string {
-	h := sha256.New()
-	h.Write([]byte(URL))
-	return base64.URLEncoding.EncodeToString(h.Sum(nil))
-}
-
-// Base64ToURL returns the string decoded base64 value
-func Base64ToURL(value string) string {
-	decoded, _ := base64.URLEncoding.DecodeString(value)
-	return string(decoded)
-}
-
 // FileExists returns true if path exists
 func FileExists(path string) bool {
 	_, err := os.Stat(path)