Revert migration of setup to pyproject.toml (#22658)

pyproject.toml

@@ -1,68 +1,3 @@
-# Package ######################################################################
-
-[build-system]
-requires = ["setuptools"]
-build-backend = "setuptools.build_meta"
-
-[project]
-name = "transformers"
-description = "State-of-the-art Machine Learning for JAX, PyTorch and TensorFlow"
-readme = "README.md"
-requires-python = ">= 3.7"
-authors = [
-    { name = "The Hugging Face team (past and future) with the help of all our contributors (https://github.com/huggingface/transformers/graphs/contributors)", email = "transformers@huggingface.co" },
-]
-license = { text = "Apache 2.0 License" }
-keywords = [
-    "NLP",
-    "vision",
-    "speech",
-    "deep learning",
-    "transformer",
-    "pytorch",
-    "tensorflow",
-    "jax",
-    "BERT",
-    "GPT-2",
-    "Wav2Vec2",
-    "ViT",
-]
-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",
-]
-dynamic = ["dependencies", "optional-dependencies", "version"]
-
-[project.scripts]
-transformers-cli = "transformers.commands.transformers_cli:main"
-
-[project.urls]
-Homepage = "https://huggingface.co"
-Repository = "https://github.com/huggingface/transformers"
-Documentation = "https://huggingface.co/docs/transformers"
-"Bug Report" = "https://github.com/huggingface/transformers/issues"
-
-[tool.setuptools]
-include-package-data = true
-
-[tool.setuptools.packages.find]
-where = ["src"]
-
-[tool.setuptools.package-data]
-transformers = ["*.cu", "*.cpp", "*.cuh", "*.h", "*.pyx"]
-
-# Linter tools #################################################################
-
 [tool.black]
 line-length = 119
 target-version = ['py37']