Fix license.

Author: martinhoefling

pyproject.toml

@@ -16,7 +16,6 @@ keywords = ["knx", "home-assistant", "persistence", "storage", "telegram"]
 classifiers = [
     "Development Status :: 3 - Alpha",
     "Intended Audience :: Developers",
-    "License :: OSI Approved :: MIT License",
     "Programming Language :: Python :: 3.12",
     "Topic :: Home Automation",
     "Framework :: AsyncIO",