[nancy][grisou] remove grisou pdu 1 as it was replaced by a dumb PDU - no more pdu kwollect for grisou, neither server attachement to PDUs in this rack

data/grid5000/sites/nancy/clusters/grisou/nodes/grisou-1.json

@@ -435,12 +435,6 @@
     "pstate_governor": "performance",
     "turboboost_enabled": true
   },
-  "pdu": [
-    {
-      "port": 1,
-      "uid": "grisou-pdu1"
-    }
-  ],
   "performance": {
     "core_flops": 38400000000,
     "node_flops": 614400000000