WIP: playlists.py refactor

app/musicmuster.py

@@ -1546,16 +1546,10 @@ class Window(QMainWindow, Ui_MainWindow):
 
         self.next_track.set_plr(session, plr, playlist_tab)
         if self.next_track.playlist_tab:
-            self.next_track.playlist_tab.update_display(session)
             if self.current_track.playlist_tab != self.next_track.playlist_tab:
                 self.set_tab_colour(self.next_track.playlist_tab,
                                     QColor(Config.COLOUR_NEXT_TAB))
 
-        # If we've changed playlist tabs for next track, refresh old one
-        # to remove highligting of next track
-        if original_next_track_playlist_tab:
-            original_next_track_playlist_tab.update_display(session)
-
         # Populate footer if we're not currently playing
         if not self.playing and self.next_track.track_id:
             self.label_track_length.setText(