Clean up

dist/plyr.mjs

@@ -3333,10 +3333,9 @@ var captions = {
         meta.set(track, {
           default: track.mode === 'showing'
         }); // Turn off native caption rendering to avoid double captions
+        // eslint-disable-next-line no-param-reassign
 
-        Object.assign(track, {
-          mode: 'hidden'
-        }); // Add event listener for cue changes
+        track.mode = 'hidden'; // Add event listener for cue changes
 
         on.call(_this, track, 'cuechange', function () {
           return captions.updateCues.call(_this);