OSIS-3906 removed groups_light index by error
OSIS-3906 removed groups_light index by error

uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/OSIS-Louvain,uclouvain/osis,uclouvain/osis,uclouvain/osis,uclouvain/osis