Removed custom options code for audio

src/options.ts

@@ -65,10 +65,6 @@ async function init() {
                                 showNoticeSwitch.checked = true;
                             }
 
-                            break;
-                        case "audioNotificationOnSkip":
-                            let audioNotificationOnSkip = <HTMLInputElement> document.querySelector("[sync-option='audioNotificationOnSkip'] > label > label > input");
-                            audioNotificationOnSkip.checked = Config.config[option];
                             break;
                     }
                 });