清理无效代码

(cherry picked from commit 4949ff52)

uni_modules/uni-getbatteryinfo/utssdk/app-ios/index.uts

 // 引用 iOS 原生平台 api
 import { UIDevice } from "UIKit";
-import { Int } from 'Swift';
 
 import { GetBatteryInfo, GetBatteryInfoSuccess, GetBatteryInfoResult, GetBatteryInfoSync } from '../interface.uts';