Switch sphinx language to en

With sphinx release of 5.0.0, they changed default for language variable
to 'en' from None. With that current None valuable is not valid and
should not be used.

With that we're also dropping setup.py as otherwise new setuptools
fails for docs job as well.

Change-Id: I264ec313bb9cdb1363339688cc63f080156c12cc

doc/source/conf.py

@@ -74,7 +74,7 @@ openstackdocs_bug_tag = ''
 #
 # This is also used if you do content translation via gettext catalogs.
 # Usually you set "language" from the command line for these cases.
-language = None
+language = 'en'
 
 # There are two options for replacing |today|: either, you set today to some
 # non-false value, then it is used:

setup.cfg

@@ -1,10 +0,0 @@
-[metadata]
-name = ansible-role-qdrouterd
-summary = qdrouterd for Ansible
-description-file =
-    README.rst
-classifier =
-    Intended Audience :: Developers
-    Intended Audience :: System Administrators
-    License :: OSI Approved :: Apache Software License
-    Operating System :: POSIX :: Linux

setup.py

@@ -1,20 +0,0 @@
-# Copyright (c) 2018 Red Hat, 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 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 setuptools
-
-setuptools.setup(
-    setup_requires=['pbr>=2.0.0'],
-    pbr=True)

tox.ini

@@ -5,7 +5,7 @@ envlist = docs,linters,functional
 
 
 [testenv]
-usedevelop = True
+usedevelop = False
 commands =
     /usr/bin/find . -type f -name "*.pyc" -delete
 passenv =