we now support creation aws facility with no nodes

jupyter/examples/chameleon/star/config.fab

@@ -32,7 +32,6 @@ resource:
           count: 1
       - fabric_network:
           provider: '{{ fabric.fabric_provider }}'
-          interface: '{{ node.fabric_node }}'
           layer3: "{{ layer3.my_layer }}"
           count: 1
           stitch_with: '{{ network.chi_network }}'
@@ -42,6 +41,7 @@ resource:
       - fabric_node:
           provider: '{{ fabric.fabric_provider }}'
           count: '{{ var.node_count }}'
+          network: '{{ network.fabric_network }}'
           image: default_rocky_8
       - chi_node:
           provider: '{{ chi.chi_provider }}'