Add ruff, remove black, isort, flake8, pylint (#3092)

* black, isort, flake8 -> ruff

* remove unused

* add back needed import

* fix

tests/test_perplexity.py

@@ -1,7 +1,5 @@
 """unit tests for perplexity eval callback"""
 
-# pylint: disable=redefined-outer-name
-
 from pytest import fixture
 from transformers.models.auto.modeling_auto import AutoModelForCausalLM
 from transformers.models.auto.tokenization_auto import AutoTokenizer