Revert "groups/000.host_tools.group:slibtool_host:${PKG_DEPENDS}: adds m4_host (via sskras.)"
    
    This reverts commit ff4743482eb787f85f0ecfd8071bbf264063e459.
    
    Unfortunately we won't manage to end climate change and save the human species from extinction by generating clean energy via the infinite loop this formerly engendered but such is our lot.