remove Waffle from locan-environments

https://ethereum.org/en/developers/local-environment/

<img width="383" alt="Image" src="https://github.com/user-attachments/assets/f8d1cb5b-293a-4dd5-8a16-2e4ec732d8da" />

library with +2years without updating (maybe deprecated) so I suggest to remove this testing lib from the suggested libraries