[schema] drop CWSourceSchemaConfig[cw_for_source,cw_schema] unique constraint (closes #1946277) as they are not necessarily unique, eg when one want a configuration for both subject and object

#! /bin/sh -e
#

if [ "$1" = remove -o "$1" = upgrade ]; then
  if which install-docs >/dev/null 2>&1; then
    install-docs -r cubicweb-doc
  fi
fi

#DEBHELPER#

exit 0