Bug: Gold Dungeons don't remove all existing blocks upon generation

[ZolaKluke]

What Feature Types Apply to This Bug?

World-Gen

Other Type

No response

What Type of Bug Is This?

Unexpected Behavior

Forge Version

43.1.3

The Aether 1 Version

0.0.1

Is This Bug a Conflict With Another Mod?

No response

Client Log

No response

Crash Report (if applicable)

No response

Steps to Reproduce

Find a gold dungeon and walk inside

What You Expect To Happen

The interior to be completely clear of blocks that don't belong there

What Actually Happened

There were leaf blocks and aercloud blocks inside some

Additional Details

World seed: 7665172736639170702

Please Read and Confirm The Following

• [X] I have confirmed this bug can be replicated without the use of Optifine.
• [X] I have confirmed this bug is on the most recently supported version of Minecraft.
• [X] I have confirmed the details provided in this report are concise as possible and does not contained vague information (ie. Versions are properly recorded, answers to questions are clear).
• [X] I have confirmed this issue is unique and has not been reported already.