ios notifs [nfc]: Remove now-unused fromPushNotificationIOS! 🎉

src/notification/extract.js

@@ -1,6 +1,4 @@
 /* @flow strict-local */
-import PushNotificationIOS from '@react-native-community/push-notification-ios';
-
 import type { Notification } from './types';
 import { makeUserId } from '../api/idTypes';
 import type { JSONableDict, JSONableInput, JSONableInputDict } from '../utils/jsonable';
@@ -170,20 +168,3 @@ export const fromAPNs = (data: ?JSONableDict): Notification | void => {
 
 // Despite the name `fromAPNs`, there is no parallel Android-side `fromFCM`
 // function here; the relevant task is performed in `FcmMessage.kt`.
-
-/**
- * Extract Zulip notification data from the blob our iOS libraries give us.
- *
- * On validation error (indicating a bug in either client or server),
- * logs a warning and returns void.
- *
- * On valid but unrecognized input (like a future, unknown type of
- * notification event), returns void.
- */
-export const fromPushNotificationIOS = (notification: PushNotificationIOS): Notification | void => {
-  // This is actually typed as ?Object (and so effectively `any`); but if
-  // present, it must be a JSONable dictionary. It's giving us the
-  // notification data, which was passed over APNs as JSON.
-  const data: ?JSONableDict = notification.getData();
-  return fromAPNs(data);
-};