[web] Stop using webconfig.vc_config()
The main issue is that this creates an entirely new Repository object
(since commit 3914388b2d0f) and thus reloads all the cubes, taking for
ever.
Related to #8634417.
#! /bin/sh -e
case "$1" in
remove)
if [ -x "/etc/init.d/cubicweb-ctl" ]; then
invoke-rc.d cubicweb-ctl stop || true
fi
;;
esac
#DEBHELPER#
exit 0