[nancy/grouille] Add grouille cluster in default queue and type exotic

data/grid5000/sites/nancy/clusters/grouille/grouille.json

 {
   "created_at": "Wed, 13 Jan 2021 00:00:00 GMT",
-  "exotic": false,
+  "exotic": true,
   "kavlan": true,
   "metrics": [
     {
@@ -215,7 +215,7 @@
   "model": "Dell PowerEdge R7525",
   "queues": [
     "admin",
-    "testing"
+    "default"
   ],
   "type": "cluster",
   "uid": "grouille"

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

@@ -17,7 +17,7 @@
     "name": "PowerEdge R7525",
     "serial": "64WT393"
   },
-  "exotic": false,
+  "exotic": true,
   "gpu_devices": {
     "nvidia0": {
       "cpu_affinity": 0,
@@ -232,7 +232,7 @@
     "max_walltime": 0,
     "queues": [
       "admin",
-      "testing"
+      "default"
     ],
     "virtual": "amd-v"
   },

data/grid5000/sites/nancy/clusters/grouille/nodes/grouille-2.json

@@ -17,7 +17,7 @@
     "name": "PowerEdge R7525",
     "serial": "54WT393"
   },
-  "exotic": false,
+  "exotic": true,
   "gpu_devices": {
     "nvidia0": {
       "cpu_affinity": 0,
@@ -232,7 +232,7 @@
     "max_walltime": 0,
     "queues": [
       "admin",
-      "testing"
+      "default"
     ],
     "virtual": "amd-v"
   },

input/grid5000/sites/nancy/clusters/grouille/grouille.yaml

 model: Dell PowerEdge R7525
 created_at: 2021-01-13
 kavlan: true
-exotic: false
+exotic: true
 queues:
   - admin
-  - testing
+  - default
 nodes:
   grouille-[1-2]:
     supported_job_types: