ctdb-tools: Stop deleted nodes from influencing ctdb nodestatus exit code

ctdb-tools: Stop deleted nodes from influencing ctdb nodestatus exit code

Deleted nodes should simply be ignored.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=14129
RN: Stop deleted nodes from influencing ctdb nodestatus exit code

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
(cherry picked from commit 32b5ceb31936ec5447362236c1809db003561d29)

Autobuild-User(v4-9-test): Karolin Seeger <kseeger@samba.org>
Autobuild-Date(v4-9-test): Fri Sep 20 14:09:11 UTC 2019 on sn-devel-144