fix pyproject

Author: vigo

pyproject.toml

@@ -14,7 +14,6 @@ classifiers = [
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: 3.13",
-    "License :: OSI Approved :: MIT License",
     "Operating System :: OS Independent",
     "Framework :: Django :: 5.0",
     "Framework :: Django :: 5.1",