Update submodule instead of manually copying requirements file for osis common
Update submodule instead of manually copying requirements file for osis common

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