[minor] [fix] minify

webnotes/utils/minify.py

@@ -1,11 +1,3 @@
-# Copyright (c) 2013, Web Notes Technologies Pvt. Ltd.
-# MIT License. See license.txt 
-
-
-
-from __future__ import unicode_literals
-import os, os.path, shutil
-
 # This code is original from jsmin by Douglas Crockford, it was translated to
 # Python by Baruch Even. The original code had the following copyright and
 # license.