[change] Remove ImagePickerIOS

Ref #1352
Ref facebook/react-native#23313

Author: enigmaticsoul216

packages/babel-plugin-react-native-web/src/moduleMap.js

@@ -21,7 +21,6 @@ module.exports = {
   I18nManager: true,
   Image: true,
   ImageBackground: true,
-  ImagePickerIOS: true,
   ImageStore: true,
   InputAccessoryView: true,
   InteractionManager: true,

packages/react-native-web/src/exports/ImagePickerIOS/index.js

@@ -87,7 +87,6 @@ import ToolbarAndroid from './exports/ToolbarAndroid';
 import ViewPagerAndroid from './exports/ViewPagerAndroid';
 import WebView from './exports/WebView';
 // compat (apis)
-import ImagePickerIOS from './exports/ImagePickerIOS';
 import PermissionsAndroid from './exports/PermissionsAndroid';
 import PushNotificationIOS from './exports/PushNotificationIOS';
 import Settings from './exports/Settings';
@@ -188,7 +187,6 @@ export {
   ViewPagerAndroid,
   WebView,
   // compat (apis)
-  ImagePickerIOS,
   PermissionsAndroid,
   PushNotificationIOS,
   Settings,