Remove python shebangs from python modules

This commit removes python shebangs from the python modules. They're
just python modules, so we don't need to have python shebangs for them.

Change-Id: I6f4428cf20be6f5ef2142030b4ede235444a4336

tempest/cmd/cleanup.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-#
 # Copyright 2014 Dell Inc.
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
 # not use this file except in compliance with the License. You may obtain

tempest/cmd/cleanup_service.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 # Copyright 2015 Dell Inc.
 #
 #    Licensed under the Apache License, Version 2.0 (the "License"); you may

tempest/cmd/list_plugins.py

@@ -1,5 +1,3 @@
-#!/usr/bin/env python
-
 # Licensed under the Apache License, Version 2.0 (the "License"); you may
 # not use this file except in compliance with the License. You may obtain
 #    a copy of the License at