[multi-sources-removal] Drop foreid argument of repo.get_option_value
It doesn't need it anymore.
Related to #2919300
#! /bin/sh -e#if [ "$1" = configure ]; then if which install-docs >/dev/null 2>&1; then install-docs -i /usr/share/doc-base/cubicweb-doc fifi#DEBHELPER#exit 0