Remove deprecated language files and update package version to 5.3.0-beta.1

- Deleted Indonesian (id.mjs), Polish (pl.js, pl.mjs), Russian (ru.js, ru.mjs), Turkish (tr.js, tr.mjs), Vietnamese (vi.js, vi.mjs), and Traditional Chinese (zh-tw.js, zh-tw.mjs) language files from the i18n directory.
- Updated package version in package.json from 5.3.0-beta.0 to 5.3.0-beta.1.
- Cleaned up screenfull.js by removing unnecessary code related to native API checks.

packages/artplayer/src/libs/screenfull.js

@@ -146,8 +146,4 @@ Object.defineProperties(screenfull, {
   },
 })
 
-if (!nativeAPI) {
-  screenfull.isEnabled = false
-}
-
 export default screenfull