[cwctl] do only clean static data dir content (closes #17069762)
deleting the directory itself is useless and may be a problem in automated
deployment environments (user may not have permissions to delete or create
that directory).
#!/bin/sh -e
if [ "$1" = "purge" ] ; then
rm -rf /etc/cubicweb.d/
rm -rf /var/log/cubicweb/
rm -rf /var/lib/cubicweb/
fi
#DEBHELPER#
exit 0