travis: Remove PyPy 2 installation since it makes all builds hang
travis: Remove PyPy 2 installation since it makes all builds hang

jodal/pyspotify,mopidy/pyspotify,kotamat/pyspotify,kotamat/pyspotify,jodal/pyspotify,felix1m/pyspotify,felix1m/pyspotify,mopidy/pyspotify,jodal/pyspotify,kotamat/pyspotify,felix1m/pyspotify