[ostree] docs-md: Delete (obsoleted by docs/)

[Colin Walters <walters src gnome org>]

commit 371856b6e4447a9136fe1ab6f80b2bdcacf77315
Author: Colin Walters <walters verbum org>
Date:   Mon Feb 8 14:24:24 2016 +0100

    docs-md: Delete (obsoleted by docs/)
    
    This was just a prototype start at markdown docs that I never picked
    back up.  Now that we have the Markdown/mkdocs done, delete this.

 docs-md/atomic-upgrades.md |   12 ------------
 1 files changed, 0 insertions(+), 12 deletions(-)