Remove long_description from setup.py

Author: fchollet

setup.py

@@ -4,7 +4,6 @@
 setup(name = 'Keras',
       version = '0.1.0',
       description = 'Theano-based Deep Learning library',
-      long_description = open('README.md').read(),
       author = 'Francois Chollet',
       author_email = 'francois.chollet@gmail.com',
       url = 'https://github.com/fchollet/keras',