MobX removal take 2 (#5381)

* mobx removal take 2

* Actually rm mobx

---------

Co-authored-by: Dan Abramov <dan.abramov@gmail.com>

src/view/shell/Composer.tsx

@@ -1,17 +1,12 @@
 import React, {useEffect} from 'react'
 import {Animated, Easing, StyleSheet, View} from 'react-native'
-import {observer} from 'mobx-react-lite'
 
-import {useAnimatedValue} from 'lib/hooks/useAnimatedValue'
-import {usePalette} from 'lib/hooks/usePalette'
-import {useComposerState} from 'state/shell/composer'
+import {useAnimatedValue} from '#/lib/hooks/useAnimatedValue'
+import {usePalette} from '#/lib/hooks/usePalette'
+import {useComposerState} from '#/state/shell/composer'
 import {ComposePost} from '../com/composer/Composer'
 
-export const Composer = observer(function ComposerImpl({
-  winHeight,
-}: {
-  winHeight: number
-}) {
+export function Composer({winHeight}: {winHeight: number}) {
   const state = useComposerState()
   const pal = usePalette('default')
   const initInterp = useAnimatedValue(0)
@@ -62,7 +57,7 @@ export const Composer = observer(function ComposerImpl({
       />
     </Animated.View>
   )
-})
+}
 
 const styles = StyleSheet.create({
   wrapper: {