8843e43329
* Remove usage of six, this repo is using python3 only. * Remove settings from conf.py that are default in newer openstackdocstheme versions. * Remove obsolete build_sphinx sections from setup.cfg, sphinx-build does not need this. Remove ignored warnerror. Change-Id: I7b0625a71d81305d90157e42fc6a5065c9be47d1