[luxembourg] servers - Move NFS to srv-data

Signed-off-by: Clement Parisot <clement.parisot@uni.lu>

data/grid5000/sites/luxembourg/servers/srv-data.json

 {
   "alias": [
-
+    "nfs",
+    "home-g5k",
+    "public"
   ],
   "kind": "physical",
   "network_adapters": {

data/grid5000/sites/luxembourg/servers/zeus.json

 {
   "alias": [
-    "nfs",
-    "ntp",
-    "home-g5k",
-    "public"
+    "ntp"
   ],
   "kind": "physical",
   "network_adapters": {

input/grid5000/sites/luxembourg/servers/servers.yaml

@@ -13,7 +13,7 @@ cronos:
 
 zeus:
   kind: physical
-  alias: [nfs, ntp, home-g5k, public]
+  alias: [ntp,]
   warranty: 2016-08
   serial: 8L6033J
   network_adapters:
@@ -25,7 +25,7 @@ zeus:
 
 srv-data:
   kind: physical
-  alias: []
+  alias: [nfs, home-g5k, public]
   warranty: 2024-02
   serial: 4HDKFV2
   network_adapters: