*: Simplify kube.PersistentVolumeClaims

Change-Id: I0a3e44de9f1c4db146fd1e493741f5fe381da3ae
Reviewed-on: https://gerrit.hackerspace.pl/c/hscloud/+/1768
Reviewed-by: q3k <q3k@hackerspace.pl>
diff --git a/games/factorio/kube/factorio.libsonnet b/games/factorio/kube/factorio.libsonnet
index 7d08ad7..3d9fc04 100644
--- a/games/factorio/kube/factorio.libsonnet
+++ b/games/factorio/kube/factorio.libsonnet
@@ -83,28 +83,14 @@
 
     volumeClaimMods: kube.PersistentVolumeClaim(factorio.makeName("factorio-mods")) {
         metadata+: factorio.metadata,
-        spec+: {
-            storageClassName: cfg.storageClassName,
-            accessModes: [ "ReadWriteOnce" ],
-            resources: {
-                requests: {
-                    storage: "1Gi",
-                },
-            },
-        },
+        storage: "1Gi",
+        storageClass: cfg.storageClassName,
     },
 
     volumeClaimData: kube.PersistentVolumeClaim(factorio.makeName("factorio")) {
         metadata+: factorio.metadata,
-        spec+: {
-            storageClassName: cfg.storageClassName,
-            accessModes: [ "ReadWriteOnce" ],
-            resources: {
-                requests: {
-                    storage: "5Gi",
-                },
-            },
-        },
+        storage: "5Gi",
+        storageClass: cfg.storageClassName,
     },
 
     configMap: kube.ConfigMap(factorio.makeName("config")) {