Remove all-encompassing python support. (#57)

This line identfying Python without providing a version results it being counted for all Python versions. Having recently dropped Python 2 support, this current Python 3-only version is being distributed to Python 2 projects by PyPi.

Co-authored-by: James Smyth <jsmyth@cyberpointllc.com>

Author: jimux

setup.py

@@ -15,7 +15,6 @@
     'Intended Audience :: Developers',
     'License :: OSI Approved :: BSD License',
     'Operating System :: OS Independent',
-    'Programming Language :: Python',
     'Programming Language :: Python :: 3',
     'Programming Language :: Python :: 3.5',
     'Programming Language :: Python :: 3.6',