[mdds] remove unused patches

[David Tardon]

commit 3c2aeca74031c8db8d6d950ad9d8b0ef791a93da
Author: David Tardon <dtardon at redhat.com>
Date:   Thu Jul 14 08:43:31 2011 +0200

    remove unused patches

 add-missing-link.patch          |   15 -------------
 compare-to-the-other-node.patch |   19 -----------------
 do-not-insert-new-node.patch    |   43 ---------------------------------------
 3 files changed, 0 insertions(+), 77 deletions(-)