Remove sphinx config option only valid in the most recent versions
Remove sphinx config option only valid in the most recent versions

rogervaas/vish,ging/vish_orange,ging/vish,ging/vish,ging/vish_orange,suec78/vish_storyrobin,ging/vish_orange,nathanV38/vishTst,nathanV38/vishTst,suec78/vish_storyrobin,ging/vish,agordillo/vish,rogervaas/vish,rogervaas/vish,rogervaas/vish,agordillo/vish,suec78/vish_storyrobin,agordillo/vish,suec78/vish_storyrobin,agordillo/vish,ging/vish,ging/vish_orange,ging/vish,ging/vish_orange