Look here: data/menu/gui/ in your SH3 Folder.
Replace the ones from NYGM with the stock ones.
If you use JSGME Mod enabler you could easily create abover folder structure and install the files like a mod after NYGM. That way you can easily restore original state.
If you dont use JGSME: do so!
here's the link:
Generic Mod Enabler (JSGME)
a hint: use search function: either in windows explorer (for mentioned files) or here in the forum it is the key to many of your answers!