[setup] migrate setup script to pyproject.toml (#22539)

* [setup] migrate setup script to `pyproject.toml`

* [setup] cleanup configurations

* remove unused imports

setup.py

@@ -78,7 +78,7 @@ import re
 import shutil
 from pathlib import Path
 
-from setuptools import find_packages, setup, Command
+from setuptools import setup, Command
 
 
 # Remove stale transformers.egg-info directory to avoid https://github.com/pypa/pip/issues/5466
@@ -425,36 +425,7 @@ install_requires = [
 setup(
     name="transformers",
     version="4.28.0.dev0",  # expected format is one of x.y.z.dev0, or x.y.z.rc1 or x.y.z (no to dashes, yes to dots)
-    author="The Hugging Face team (past and future) with the help of all our contributors (https://github.com/huggingface/transformers/graphs/contributors)",
-    author_email="transformers@huggingface.co",
-    description="State-of-the-art Machine Learning for JAX, PyTorch and TensorFlow",
-    long_description=open("README.md", "r", encoding="utf-8").read(),
-    long_description_content_type="text/markdown",
-    keywords="NLP vision speech deep learning transformer pytorch tensorflow jax BERT GPT-2 Wav2Vec2 ViT",
-    license="Apache 2.0 License",
-    url="https://github.com/huggingface/transformers",
-    package_dir={"": "src"},
-    packages=find_packages("src"),
-    include_package_data=True,
-    package_data={"transformers": ["*.cu", "*.cpp", "*.cuh", "*.h", "*.pyx"]},
-    zip_safe=False,
     extras_require=extras,
-    entry_points={"console_scripts": ["transformers-cli=transformers.commands.transformers_cli:main"]},
-    python_requires=">=3.7.0",
     install_requires=install_requires,
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Intended Audience :: Developers",
-        "Intended Audience :: Education",
-        "Intended Audience :: Science/Research",
-        "License :: OSI Approved :: Apache Software License",
-        "Operating System :: OS Independent",
-        "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Topic :: Scientific/Engineering :: Artificial Intelligence",
-    ],
     cmdclass={"deps_table_update": DepsTableUpdateCommand},
 )