[toulouse][montcalm] Remove unsupported GPU metrics (there's no GPU !)

data/grid5000/sites/toulouse/clusters/montcalm/montcalm.json

@@ -48,34 +48,6 @@
         "port": 9100,
         "protocol": "prometheus"
       }
-    },
-    {
-      "description": "Default subset of metrics from Prometheus Nvidia DCGM Exporter",
-      "name": "prom_nvgpu_default_metrics",
-      "optional_period": 15000,
-      "period": 0,
-      "source": {
-        "id": [
-          "DCGM_FI_DEV_SM_CLOCK",
-          "DCGM_FI_DEV_MEM_CLOCK",
-          "DCGM_FI_DEV_GPU_TEMP",
-          "DCGM_FI_DEV_POWER_USAGE",
-          "DCGM_FI_DEV_GPU_UTIL",
-          "DCGM_FI_DEV_MEM_COPY_UTIL"
-        ],
-        "port": 9400,
-        "protocol": "prometheus"
-      }
-    },
-    {
-      "description": "All metrics from Prometheus Nvidia DCGM Exporter",
-      "name": "prom_nvgpu_all_metrics",
-      "optional_period": 15000,
-      "period": 0,
-      "source": {
-        "port": 9400,
-        "protocol": "prometheus"
-      }
     }
   ],
   "model": "HPE Proliant DL360 Gen10+",