special treament of the FTML metatheory

The FTML metatheory does not need an `\importmodule` or `\usemodule` it is always inscope in sTeX (it does not hurt either I think but I tend to exclude it as redundant). 

<img width="386" height="65" alt="Image" src="https://github.com/user-attachments/assets/0e50a0d7-ad1e-40f0-9fde-cca983bb286b" />
