Fix incorrect usage of useAnimatedScrollHandler (#9063)

* Explicitly declare worklets for useAnimatedScrollHandler_FIXED.web.ts

* Delete unused web hook

* delete other platform split file, import directly

---------

Co-authored-by: Samuel Newman <mozzius@protonmail.com>

src/view/com/util/List.tsx

@@ -3,11 +3,11 @@ import {RefreshControl, type ViewToken} from 'react-native'
 import {
   type FlatListPropsWithLayout,
   runOnJS,
+  useAnimatedScrollHandler,
   useSharedValue,
 } from 'react-native-reanimated'
 import {updateActiveVideoViewAsync} from '@haileyok/bluesky-video'
 
-import {useAnimatedScrollHandler} from '#/lib/hooks/useAnimatedScrollHandler_FIXED'
 import {useDedupe} from '#/lib/hooks/useDedupe'
 import {useScrollHandlers} from '#/lib/ScrollContext'
 import {addStyle} from '#/lib/styles'