Don't keep `include`'d files in git LFS

### What happened?

Trying to load Hotham as a `git` dependency in `Cargo.toml` results in this nonsense:

https://hastebin.skyra.pw/irucobizub.yaml

### Version

latest

### In which Hotham component are you seeing the problem on?

Core

### What VR System are you seeing the problem on?

Quest-2

### What OS are you seeing the problem on?

Linux

### Relevant log output

_No response_