[nancy] griffon - Removed retired nodes

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

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

...id5000/sites/nancy/clusters/griffon/nodes/griffon-30.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-30.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-31.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-31.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-32.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-32.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-33.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-33.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-34.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-34.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-35.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-35.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-36.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-36.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-37.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-37.yaml_

...id5000/sites/nancy/clusters/griffon/nodes/griffon-38.yaml

...d5000/sites/nancy/clusters/griffon/nodes/griffon-38.yaml_