payment.v1.rabl in spree_mollie_gateway-4.0.1

- old
+ new

@@ -1,7 +2 @@
-child available_payment_methods: :payment_methods do
-  attributes :id, :name, :method_type
-
-  node :gateways do |payment_method|
-    payment_method.gateways(order: @order) if @order.present?
-  end
-end
+extends 'spree/api/v1/orders/payment.rabl'