- Don't build a private copy of gnuchess, instead require gnuchess (bz
        215110)
    - Rename / rebrand Gnometris to GnomeFallingBlocks, so that it stays clear
        of the Tetris trademark, and include it (bz 238651)
    - Don't own dirs under /usr/share/icons/hicolor, instead add Requires:
        hicolor-icon-theme
    - Cleanup handling of with_card and with_tali defines using
        --enable-omitgames