Remove duplicate license trove classifiers
@@ -11,7 +11,6 @@ url = https://github.com/jaraco/keyring
classifiers =
Development Status :: 5 - Production/Stable
Intended Audience :: Developers
- License :: OSI Approved :: MIT License
License :: OSI Approved :: Python Software Foundation License
License :: OSI Approved :: MIT License
Programming Language :: Python :: 3
