Remove tempest plugin from Castellan

In response to the discussion surrounding the
new barbican-tempest-plugin project, we will
contribute our security tempest scenarios there,
not in castellan.

Change-Id: I65655c13deb00e036457dbd68666bcdc598be2b9

setup.cfg

@@ -27,8 +27,6 @@ packages =
 oslo.config.opts =
     castellan.tests.functional.config = castellan.tests.functional.config:list_opts
     castellan.config = castellan.options:list_opts
-tempest.test_plugins =
-    security_plugin = tempest_plugin.plugin:SecurityTempestPlugin
 
 [build_sphinx]
 source-dir = doc/source

tempest_plugin/README.rst

@@ -1,7 +0,0 @@
-===============================================
-Tempest Integration of Security Functionality
-===============================================
-
-This directory contains Tempest tests to cover the security features in
-Glance, Cinder, and Nova.
-

tempest_plugin/plugin.py

@@ -1,34 +0,0 @@
-# Copyright 2016 Johns Hopkins University Applied Physics Lab
-# All Rights Reserved.
-#
-#    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
-#
-#         http://www.apache.org/licenses/LICENSE-2.0
-#
-#    Unless required by applicable law or agreed to in writing, software
-#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
-#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
-#    License for the specific language governing permissions and limitations
-#    under the License.
-
-
-import os
-
-from tempest.test_discover import plugins
-
-
-class SecurityTempestPlugin(plugins.TempestPlugin):
-    def load_tests(self):
-        base_path = os.path.split(os.path.dirname(
-            os.path.abspath(__file__)))[0]
-        test_dir = "tempest_plugin/tests"
-        full_test_dir = os.path.join(base_path, test_dir)
-        return full_test_dir, base_path
-
-    def register_opts(self, conf):
-        pass
-
-    def get_opt_lists(self):
-        pass