[rennes] Remove unused virtual machines

data/grid5000/sites/rennes/servers/k0.json

-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.111.201"
-    }
-  },
-  "type": "server",
-  "uid": "k0"
-}
\ No newline at end of file

data/grid5000/sites/rennes/servers/rke0.json

-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.111.202"
-    }
-  },
-  "type": "server",
-  "uid": "rke0"
-}
\ No newline at end of file

data/grid5000/sites/rennes/servers/rke1.json

-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.111.203"
-    }
-  },
-  "type": "server",
-  "uid": "rke1"
-}
\ No newline at end of file

input/grid5000/sites/rennes/servers/virtual.yaml

@@ -131,15 +131,6 @@ es:
 logstash:
   kind: virtual
   network_adapters: {default: {ip: 172.16.111.169}}
-k0:
-  kind: virtual
-  network_adapters: {default: {ip: 172.16.111.201}}
-rke0:
-  kind: virtual
-  network_adapters: {default: {ip: 172.16.111.202}}
-rke1:
-  kind: virtual
-  network_adapters: {default: {ip: 172.16.111.203}}
 infra-k8s-master0:
   kind: virtual
   network_adapters: