Remove classifier from setup.py

Author: meatballs

setup.py

@@ -44,7 +44,6 @@ def read(*names, **kwargs):
     include_package_data=True,
     zip_safe=False,
     classifiers=[
-        'Development Status :: 5 - Production/Stable',
         'Intended Audience :: Developers',
         'License :: OSI Approved :: MIT License',
         'Operating System :: Unix',