fix(flutter): 底栏右侧改为清屏

lib/pages/player/player_view.dart

@@ -431,9 +431,6 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
               onSave: () => unawaited(_toggleSave(context, drama)),
               onShare: () => logic.shareDrama(context, drama),
               onMore: () => _openMore(context, drama, episode),
-              onPip: logic.pictureInPicture.isPlatformSupported
-                  ? () => unawaited(logic.enterPip(context))
-                  : null,
               onScrubStart: ready ? () => logic.beginScrub(videoPort!) : null,
               onSeek: ready
                   ? (position) => logic.seekTo(context, videoPort!, position)