Bug 16770: Remove Memoize::Memcached dependency

Bug 16770: Remove Memoize::Memcached dependency

This module is no longer in use and can be removed.

Signed-off-by: Jacek Ablewicz <abl@biblos.pk.edu.pl>
This part involves some changes in a bunch of mysterious debian|ubuntu
related files, not quite sure if I know what I'm doing
Signed-off-by: Tomas Cohen Arazi <tomascohen@theke.io>
Signed-off-by: Kyle M Hall <kyle@bywatersolutions.com>
(cherry picked from commit 67e6efab5d2da2c55d138153060c70cba342db7e)
(cherry picked from commit 998ea5d57a2311d63d53e13879e4194a141d4199)
Signed-off-by: Julian Maurice <julian.maurice@biblibre.com>