- dependency pruning: (#428489, #429753)
    - package XeTeX separately
    - move ghostscript utilities (a2ping, e2pall, epstopdf, gsftopk, pdfcrop,
        ps4pdf, thumbpdf) and metafont with X support to texlive-utils
        subpackage
    - move allcm, allec, allneeded to texlive-dvips
    - package xdvipdfmx in dvipdfmx subpackage
    - only texlive-doc now requires xdg-utils