Remove unused scipy requirement
Remove unused scipy requirement

MalkIPP/openfisca-france-data,benjello/openfisca-france-data,adrienpacifico/openfisca-france-data,openfisca/openfisca-france-data,benjello/openfisca-france-data,openfisca/openfisca-france-data,MalkIPP/openfisca-france-data,openfisca/openfisca-france-data,adrienpacifico/openfisca-france-data