(chore) remove outdated code (#1765)

* optimize room typing members hook

* remove unused code - WIP

* remove old code from initMatrix

* remove twemojify function

* remove old sanitize util

* delete old markdown util

* delete Math atom component

* uninstall unused dependencies

* remove old notification system

* decrypt message in inbox notification center and fix refresh in background

* improve notification

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Co-authored-by: Krishan <33421343+kfiven@users.noreply.github.com>

src/client/action/notifications.js

@@ -5,7 +5,6 @@ export async function markAsRead(roomId) {
   const mx = initMatrix.matrixClient;
   const room = mx.getRoom(roomId);
   if (!room) return;
-  initMatrix.notifications.deleteNoti(roomId);
 
   const timeline = room.getLiveTimeline().getEvents();
   const readEventId = room.getEventReadUpTo(mx.getUserId());