Removes unnecessary utf-8 encoding

This patches removes unnecessary utf-8 encoding header

Change-Id: I3787ae7cc36e5fe3afcacba5fa5af60680484c1a
diff --git a/barbican_tempest_plugin/__init__.py b/barbican_tempest_plugin/__init__.py
index 431fd9b..cc7c81e 100644
--- a/barbican_tempest_plugin/__init__.py
+++ b/barbican_tempest_plugin/__init__.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # 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
diff --git a/barbican_tempest_plugin/tests/test_barbican_tempest_plugin.py b/barbican_tempest_plugin/tests/test_barbican_tempest_plugin.py
index 9b542c5..1c827f6 100644
--- a/barbican_tempest_plugin/tests/test_barbican_tempest_plugin.py
+++ b/barbican_tempest_plugin/tests/test_barbican_tempest_plugin.py
@@ -1,5 +1,3 @@
-# -*- coding: utf-8 -*-
-
 # 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