Remove getopt and xmlto which aren't needed for shared-mime-info any more
I tried this with a clean build and it seems to work.
I also tried building shared-mime-info 2.3 but there are some problems with the latest release on darwin:
https://gitlab.freedesktop.org/xdg/shared-mime-info/-/merge_requests/252 https://gitlab.freedesktop.org/xdg/shared-mime-info/-/merge_requests/251