Remove unused policy check

The "version:get" check is not used in barbican, remove it from policies.

Change-Id: I9d6a50edd6908af82d5789756c94927aeddd7a54

barbican/common/policies/__init__.py

@@ -23,7 +23,6 @@ from barbican.common.policies import secretmeta
 from barbican.common.policies import secrets
 from barbican.common.policies import secretstores
 from barbican.common.policies import transportkeys
-from barbican.common.policies import versions
 
 
 def list_rules():
@@ -39,5 +38,4 @@ def list_rules():
         secrets.list_rules(),
         secretstores.list_rules(),
         transportkeys.list_rules(),
-        versions.list_rules(),
     )

barbican/common/policies/versions.py

@@ -1,23 +0,0 @@
-#  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.
-
-from oslo_policy import policy
-
-
-rules = [
-    policy.RuleDefault('version:get',
-                       '@')
-]
-
-
-def list_rules():
-    return rules