[cwvreg] introduce lgc version 0.59 and remove unneeded method redefinition (prepares #2406609) The new logilab.common.registry makes this moot.

#!/bin/sh -e
if [ "$1" = "purge" ] ; then
        update-rc.d cubicweb remove >/dev/null
fi
 
#DEBHELPER#
 
exit 0