[cwconfig] Always use "sys.prefix" to determine installation prefix
We drop all legacy logic implemented in _find_prefix() which now happens
to be buggy since we cleaned up setup.py in 3.26 (noticeably because
virtualenv is no longer properly detected).
Closes #17132990.
#!/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