[grenoble] add yeti cluster in queue default

Author: fsaintma

data/grid5000/sites/grenoble/clusters/yeti/yeti.json

@@ -4,7 +4,7 @@
   "model": "Dell PowerEdge R940",
   "queues": [
     "admin",
-    "testing"
+    "default"
   ],
   "type": "cluster",
   "uid": "yeti"

input/grid5000/sites/grenoble/clusters/yeti/yeti.yaml

@@ -4,9 +4,8 @@ model: Dell PowerEdge R940
 created_at: 2018-01-16 15:00:00 GMT
 kavlan: true
 queues:
-#  - default # Only testing queue for now
   - admin
-  - testing
+  - default
 
 nodes:
   yeti-[1-4]: