remove most 3.10 bw compat
Related to #3799117.
The boxes and entityvcomponent objects cannot really be removed as they
are still used throughout the code base (and possible cubes).
This may be caused by a non-working deprecation and needs some more
work.
#! /bin/sh -e
if [ -x "/etc/init.d/cubicweb-ctl" ]; then
invoke-rc.d cubicweb-ctl restart || true
fi
#DEBHELPER#
exit 0