Remove redundant classifier

Author: jamesmyatt

pyproject.toml

@@ -22,7 +22,6 @@ license = "MIT"
 license-files = ["LICENSE"]
 classifiers=[
     "Development Status :: 5 - Production/Stable",
-    "License :: OSI Approved :: MIT License",
     "Programming Language :: Python",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",