
This change alters the api-ref's conf.py to follow the documentation[1]. Functionally, this results in the api-ref using the api_ref theme options, which adds a dropdown menu to the other API references instead of to unrelated documentation, and deduplicates the headers. [1] https://docs.openstack.org/openstackdocstheme/latest/ Change-Id: I706301130efac6b37d97ebd814d9987370d76692