[lille][chetemi] Retire cluster chetemi.

data/grid5000/sites/lille/clusters/chetemi/chetemi.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-1.json

...id5000/sites/lille/clusters/chetemi/nodes/chetemi-10.json

...id5000/sites/lille/clusters/chetemi/nodes/chetemi-11.json

...id5000/sites/lille/clusters/chetemi/nodes/chetemi-12.json

...id5000/sites/lille/clusters/chetemi/nodes/chetemi-13.json

...id5000/sites/lille/clusters/chetemi/nodes/chetemi-14.json

...id5000/sites/lille/clusters/chetemi/nodes/chetemi-15.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-2.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-3.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-4.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-6.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-7.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-8.json

...rid5000/sites/lille/clusters/chetemi/nodes/chetemi-9.json

...grid5000/sites/lille/network_equipments/sw-chiclet-3.json

data/grid5000/sites/lille/pdus/pdu-b3p1.json

data/grid5000/sites/lille/pdus/pdu-b3p2-1.json

data/grid5000/sites/lille/pdus/pdu-b3p2-2.json

data/grid5000/sites/lille/pdus/pdu-b3p3.json