fix: remove debug line

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2346>

front/src/composables/audio/tracks.ts

@@ -93,7 +93,6 @@ export const useTracks = createGlobalState(() => {
 
       const SoundImplementation = soundImplementation.value
       const sound = new SoundImplementation(sources)
-      sound.track = track.title
 
       sound.onSoundEnd(() => {
         console.log('TRACK ENDED, PLAYING NEXT')