Cleanup: Use page_source_suffix (#1104)
Cleanup: Use page_source_suffix (#1104)

Use `page_source_suffix` instead of checking `source_suffix`

Since we now require sphinx 1.6 we can cleanup this old workaround for old sphinx versions.
snide/sphinx_rtd_theme,snide/sphinx_rtd_theme,snide/sphinx_rtd_theme,snide/sphinx_rtd_theme