Feature Request: Simplify Aether and Aether Genesis Tree Feature Datagen using methods

[Builderdog841]

Examples:

https://github.com/Builderdog841/Ancient-Aether/blob/master/src/main/java/net/builderdog/ancient_aether/data/resources/registries/features/AncientAetherTreeFeatures.java (methods are at the top of the class)