Manually remove information about OS from cluster input files

input/grid5000/sites/grenoble/clusters/edel/edel.yaml

input/grid5000/sites/grenoble/clusters/genepi/genepi.yaml

input/grid5000/sites/lille/clusters/chetemi/chetemi.yaml

input/grid5000/sites/lille/clusters/chifflet/chifflet.yaml

...t/grid5000/sites/luxembourg/clusters/granduc/granduc.yaml

...00/sites/luxembourg/clusters/petitprince/petitprince.yaml

input/grid5000/sites/lyon/clusters/hercule/hercule.yaml

input/grid5000/sites/lyon/clusters/orion/orion.yaml

...t/grid5000/sites/lyon/clusters/sagittaire/sagittaire.yaml

input/grid5000/sites/lyon/clusters/taurus/taurus.yaml

input/grid5000/sites/nancy/clusters/graoully/graoully.yaml

input/grid5000/sites/nancy/clusters/graphene/graphene.yaml

input/grid5000/sites/nancy/clusters/graphique/graphique.yaml

input/grid5000/sites/nancy/clusters/graphite/graphite.yaml

input/grid5000/sites/nancy/clusters/grele/grele.yaml

input/grid5000/sites/nancy/clusters/griffon/griffon.yaml

input/grid5000/sites/nancy/clusters/grimani/grimani.yaml

input/grid5000/sites/nancy/clusters/grimoire/grimoire.yaml

input/grid5000/sites/nancy/clusters/grisou/grisou.yaml

input/grid5000/sites/nancy/clusters/talc/talc.yaml