[sophia] Improve compliance with wiki rules - should be OK for g5k-checks 0.3

data/grid5000/sites/sophia/clusters/azur/nodes/azur-1.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-10.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-11.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-12.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-13.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-14.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-15.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-16.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-17.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-18.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-2.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-3.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-37.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-38.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-39.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-4.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-40.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-41.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-42.json

data/grid5000/sites/sophia/clusters/azur/nodes/azur-43.json