Remove oslosphinx

It has been retired and we don't want to use it in new projects.
Switch to openstackdocstheme for our Sphinx theme.

Change-Id: Ia41525f1b712e318054d3179d2cd6b0dab39912c

oslo.{{cookiecutter.module_name}}/doc/source/conf.py

@@ -21,11 +21,11 @@ sys.path.insert(0, os.path.abspath('../..'))
 # Add any Sphinx extension module names here, as strings. They can be
 # extensions coming with Sphinx (named 'sphinx.ext.*') or your custom ones.
 extensions = [
-    'sphinx.ext.autodoc',
-    #'sphinx.ext.intersphinx',
-    'oslosphinx'
+    'openstackdocstheme',
 ]
 
+repository_name = 'openstack/oslo.{{cookiecutter.module_name}}'
+
 # autodoc generation is a bit aggressive and a nuisance when doing heavy
 # text edit cycles.
 # execute "export SPHINX_DEBUG=1" in your terminal to disable
@@ -54,9 +54,7 @@ pygments_style = 'sphinx'
 
 # The theme to use for HTML and HTML Help pages.  Major themes that come with
 # Sphinx are currently 'default' and 'sphinxdoc'.
-# html_theme_path = ["."]
-# html_theme = '_theme'
-# html_static_path = ['static']
+html_theme = 'openstackdocs'
 
 # Output file base name for HTML help builder.
 htmlhelp_basename = '%sdoc' % project

oslo.{{cookiecutter.module_name}}/test-requirements.txt

@@ -6,5 +6,6 @@ hacking<0.11,>=0.10.0
 oslotest>=1.5.1
 
 # These are needed for docs generation
-oslosphinx>=2.5.0
-sphinx!=1.6.6,!=1.6.7,>=1.6.2 # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2,<2.0.0;python_version=='2.7' # BSD
+sphinx!=1.6.6,!=1.6.7,>=1.6.2;python_version>='3.4' # BSD
+openstackdocstheme>=1.20.0