Assimp pdb files deactivated

The PR #174 deactivated assimp pdb files because assimp install target is not looking for pdb files at the correct place. (it does not consider the CONFIG in path under windows):

<img width="1131" height="304" alt="Image" src="https://github.com/user-attachments/assets/f6c92b9f-95e7-48e5-bfb5-20ea92169034" />