fix: Fully remove legacy cache from Llama (#36958)
* bug: fully remove legacy cache from Llama
* bug: fix CI issues
* bug: update jetmoe model
* bug: apply =check_modular_conversion.py= fix
* bug: apply make fix-copies
* bug: fix ruff
* PR suggestions
* Remove trailing commas in auto-gen files
* Trivial new line removal
