Non-standard GraphNet model args

Spotted these config args in the direction dynedge for the hexagon ice le, which led the module to crash when trying to be run in graphnet. These can probably just be removed so that the model works with standard GraphNeT again
<img width="244" height="40" alt="Image" src="https://github.com/user-attachments/assets/d2d2dbf7-6b7d-46b2-a272-6bead8735a2d" />