fix lic classifier (#1514)

Signed-off-by: Guenther Schmuelling <[email protected]>

Author: guschmue

setup.py

@@ -87,7 +87,6 @@ def run(self):
         'Intended Audience :: Developers',
         'Intended Audience :: Education',
         'Intended Audience :: Science/Research',
-        'License :: OSI Approved :: Apache2 License',
         'Topic :: Scientific/Engineering',
         'Topic :: Scientific/Engineering :: Mathematics',
         'Topic :: Scientific/Engineering :: Artificial Intelligence',