Drop options for old openstackdocstheme

This is based on the changes in OpenStack projects like [1] in ironic.

Some options are now automatically configured by openstackdocstheme
1.20.0 and later.
- project
- html_last_updated_fmt
- latex_engine
- latex_elements
- version
- release.

[1] 1becd6dda9f61652d1ff1345898514bf0e73c0fb

Change-Id: I2ff42d5a46f99b4aeaaf1b4f5abc47cd7bbbbb00

doc/requirements.txt

@@ -1,7 +1,3 @@
-# The order of packages is significant, because pip processes them in the order
-# of appearance. Changing the order has an impact on the overall integration
-# process, which may cause wedges in the gate later.
-
 sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
 openstackdocstheme>=1.31.2 # Apache-2.0
 sphinx_rtd_theme

doc/source/conf.py

@@ -16,8 +16,6 @@ import sys
 import os
 import shlex
 
-from cloudbaseinit import version as cbs_version
-
 # If extensions (or modules to document with autodoc) are in another directory,
 # add these directories to sys.path here. If the directory is relative to the
 # documentation root, use os.path.abspath to make it absolute, like shown here.
@@ -54,20 +52,9 @@ source_suffix = '.rst'
 master_doc = 'index'
 
 # General information about the project.
-project = u'cloudbase-init'
 copyright = u'2012-2019, Cloudbase Solutions Srl'
 author = u'Cloudbase Solutions Srl'
 
-# The version info for the project you're documenting, acts as replacement for
-# |version| and |release|, also used in various other places throughout the
-# built documents.
-#
-# The short X.Y version.
-version = cbs_version.get_canonical_version()
-
-# The full version, including alpha/beta/rc tags.
-release = version
-
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.
 #

tox.ini

@@ -30,11 +30,14 @@ commands =
 commands = {posargs}
 
 [testenv:docs]
+allowlist_externals =
+  rm
 deps =
   -c{env:TOX_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
   -r{toxinidir}/doc/requirements.txt
-  -egit+https://github.com/openstack/cloudbase-init\#egg=cloudbase-init
+  -r{toxinidir}/requirements.txt
 commands =
+  rm -rf doc/build
   sphinx-build -a -E -W -d doc/build/doctrees -b html doc/source doc/build/html
 
 [testenv:releasenotes]