session: Remove private_session setter/getter
session: Remove private_session setter/getter

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