cluster/kube: refactor rook.io object store configuration
diff --git a/cluster/kube/cluster.jsonnet b/cluster/kube/cluster.jsonnet
index a57c897..a4d8680 100644
--- a/cluster/kube/cluster.jsonnet
+++ b/cluster/kube/cluster.jsonnet
@@ -122,8 +122,7 @@
             },
         },
     },
-    cephWaw1Object: kube._Object("ceph.rook.io/v1", "CephObjectStore", "waw-hdd-redundant-1-object") {
-        metadata+: cluster.cephWaw1.metadata,
+    cephWaw1Object: rook.S3ObjectStore(cluster.cephWaw1, "waw-hdd-redundant-1-object") {
         spec: {
             metadataPool: {
                 failureDomain: "host",
@@ -136,13 +135,6 @@
                     codingChunks: 1,
                 },
             },
-            gateway: {
-                type: "s3",
-                port: 80,
-                #securePort:
-                instances: 1,
-                allNodes: false,
-            },
         },
     },
 };