Merge pull request #218 from peterbe/setup-py-drop-deprecated-license-classifiers

`setup.py`: Drop deprecated trove license classifier

Author: hartwork

setup.py

@@ -32,7 +32,6 @@
     classifiers=[
         "Intended Audience :: Developers",
         "Intended Audience :: System Administrators",
-        "License :: OSI Approved :: MIT License",
         "Programming Language :: Python :: 3",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",