removed env as per project policy

Signed-off-by: Brian Coca <briancoca+dev@gmail.com>

library/authorized_key

-#!/usr/bin/env python
+#!/usr/bin/python
 # -*- coding: utf-8 -*-
 
 """

library/group

-#!/usr/bin/env python
+#!/usr/bin/python
 # -*- coding: utf-8 -*-
 
 # (c) 2012, Stephen Fromm <sfromm@gmail.com>

library/wait_for

-#!/usr/bin/env python
+#!/usr/bin/python
 # -*- coding: utf-8 -*-
 
 # (c) 2012, Jeroen Hoekx <jeroen@hoekx.be>