[schema2sql] More docstrings and minor API improvements Along the way, renamed local `column` variable to `attr` where we're NOT manipulating a DB column name but a schema attribute. Related to #14050899

#! /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