[facets] should remove groupby from base rqlst. Closes #1796196 as we search for values for a variable, there seems to be no case where we would be interested in groups, though there are clearly some were leaving groups cause errors.

#! /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
  fi
fi


#DEBHELPER#

exit 0