[lyon][guix-builder] Remove VM guix-builder

data/grid5000/sites/lyon/servers/guix-builder.json

-{
-  "kind": "virtual",
-  "network_adapters": {
-    "default": {
-      "ip": "172.16.63.133"
-    }
-  },
-  "type": "server",
-  "uid": "guix-builder"
-}
\ No newline at end of file

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

@@ -148,11 +148,6 @@ guix:
   network_adapters:
     default:
       ip: 172.16.63.132
-guix-builder:
-  kind: virtual
-  network_adapters:
-    default:
-      ip: 172.16.63.133
 kwollect:
   kind: virtual
   network_adapters: