We have too many device providers outputting duplicate device entries, and it's not clear to people what they should be using. Let's only keep wasapi2 around since it is PRIMARY + 1. After the device switching work done on WASAPI2, there is no reason to use directsound anymore. https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9326 Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/9438>