srmspacemanager: remove code path that has neever been used

    remove code path which has never been used, but was exposed in
    commit f03d1d73fdf79f066a90ac5be2d20ae8ded760f9 by mistake

    Patch: http://rb.dcache.org/r/6100/
    Acked-by: Gerd Behrmann
    Target: trunk
    Require-book: no
    Require-notes: no