fix: Remove audiu element when download finished.

(cherry picked from commit 808b38c3)

src/jensen.js

@@ -738,7 +738,7 @@ Jensen.prototype.getFile = async function (filename, length, ondata, onprogress)
 
     function clearEventAndTask() {
         const audio = document.getElementById('test_audio');
-        audio && audio.pause() && audio.remove();
+        audio && audio.remove();
         wakeLock && wakeLock.release();
         console.log('Clear event and task.');
     }