Limit licensing info for compat with setuptools 77; drop classifiers.

Author: anntzer

pyproject.toml

@@ -12,12 +12,8 @@ name = "mplcairo"
 description = "A (new) cairo backend for Matplotlib."
 readme = "README.rst"
 authors = [{name = "Antony Lee"}]
-license = {text = "MIT"}
 classifiers = [
-    "Development Status :: 4 - Beta",
     "Framework :: Matplotlib",
-    "License :: OSI Approved :: MIT License",
-    "Programming Language :: Python :: 3",
 ]
 requires-python = ">=3.8"
 dependencies = [