MAINT update setup

Author: glemaitre

setup.py

@@ -92,7 +92,6 @@ def configuration(parent_package='', top_path=None):
               'Operating System :: Unix',
               'Operating System :: MacOS',
               'Programming Language :: Python :: 2.7',
-              'Programming Language :: Python :: 3.4'
               'Programming Language :: Python :: 3.5',
               'Programming Language :: Python :: 3.6'
           ],