Remove deprecated uri argument (ismailof#26)

mopidy_json_client/methods_2_0/tracklist.py

@@ -109,7 +109,7 @@ def add(self, tracks=None, at_position=None, uri=None, uris=None, **options):
         .. deprecated:: 1.0
             The ``tracks`` and ``uri`` arguments. Use ``uris``.
         '''
-        return self.mopidy_request('core.tracklist.add', tracks=tracks, at_position=at_position, uri=uri, uris=uris, **options)
+        return self.mopidy_request('core.tracklist.add', tracks=tracks, at_position=at_position, uris=uris, **options)
 
     def get_eot_tlid(self, **options):
         '''The TLID of the track that will be played after the current track.