Error code generated for shopify when type has some deprecated fields

For example, since `DiscountAutomaticBxgy` has a deprecated field `id`, java code generated for this type in default config will not generated `getId()` method. But this type implements interface `Node` which declares `getId()`. 
As https://github.com/Shopify/graphql_java_gen/pull/26 introduces the feature for deprecated fields, I think there may be some bugs related.