[input] remove trailing whitespace

input/grid5000/network_equipments/renater.yaml

input/grid5000/sites/grenoble/servers/servers.yaml

input/grid5000/sites/lille/servers/virtual.yaml

...es/luxembourg/clusters/petitprince/petitprince_extra.yaml

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

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

...0/sites/lyon/clusters/sagittaire/nodes/sagittaire-73.yaml

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

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

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

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

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

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

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

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

input/grid5000/sites/nancy/pdus.yaml

input/grid5000/sites/nancy/servers/servers.yaml

input/grid5000/sites/nancy/servers/virtual.yaml

input/grid5000/sites/rennes/clusters/parapide/parapide.yaml

...t/grid5000/sites/rennes/clusters/parapluie/parapluie.yaml