Rename gw-toulouse into gw

data/grid5000/sites/toulouse/clusters/montcalm/nodes/montcalm-1.json

@@ -133,7 +133,7 @@
       "rate": 10000000000,
       "sriov": false,
       "sriov_totalvfs": 0,
-      "switch": "gw-toulouse",
+      "switch": "gw",
       "switch_port": "1/1/1",
       "vendor": "Broadcom Inc. and subsidiaries"
     },