Cleanup quality (#21493)

* Remove mentions of flake8/isort

* Clean up inits

* Deall with all other inits

* Last special rule for dummy files

templates/adding_a_new_model/ADD_NEW_MODEL_PROPOSAL_TEMPLATE.md

@@ -43,7 +43,7 @@ open-source contribution to Transformers. Along the way, you will:
 -   understand the design principles of one of the most popular NLP
     libraries
 -   learn how to do efficiently test large NLP models
--   learn how to integrate Python utilities like `black`, `isort`,
+-   learn how to integrate Python utilities like `black`, `ruff`,
     `make fix-copies` into a library to always ensure clean and readable
     code
 

templates/adding_a_new_model/cookiecutter-template-{{cookiecutter.modelname}}/__init__.py

@@ -1,7 +1,3 @@
-# flake8: noqa
-# There's no way to ignore "F401 '...' imported but unused" warnings in this
-# module, but to preserve other warnings. So, don't check this module at all.
-
 # Copyright 2020 The HuggingFace Team. All rights reserved.
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
@@ -17,7 +13,6 @@
 # limitations under the License.
 from typing import TYPE_CHECKING
 
-# rely on isort to merge the imports
 from ...utils import  _LazyModule, OptionalDependencyNotAvailable, is_tokenizers_available
 
 

templates/adding_a_new_model/open_model_proposals/ADD_BIG_BIRD.md

@@ -25,7 +25,7 @@ open-source contribution to Transformers. Along the way, you will:
 -   understand the design principles of one of the most popular NLP
     libraries
 -   learn how to do efficiently test large NLP models
--   learn how to integrate Python utilities like `black`, `isort`,
+-   learn how to integrate Python utilities like `black`, `ruff`,
     `make fix-copies` into a library to always ensure clean and readable
     code