[schema] remove unique constraint on unlimited String attribute
SQL Server doesn't allow indexing (and thus unique constraints) on
nvarchar(max). Related to #7173702.
#! /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