Move the permission observers in the background scripts

src/js/background/messageHandler.js

@@ -20,9 +20,6 @@ const messageHandler = {
       case "resetSync":
         response = sync.resetSync();
         break;
-      case "resetBookmarksContext":
-        response = assignManager.resetBookmarksMenuItem();
-        break;
       case "deleteContainer":
         response = backgroundLogic.deleteContainer(m.message.userContextId);
         break;
@@ -91,9 +88,6 @@ const messageHandler = {
           true
         );
         break;
-      case "maybeAddProxyListeners":
-        response = await assignManager.maybeAddProxyListeners();
-        break;
       case "assignAndReloadInContainer":
         tab = await assignManager.reloadPageInContainer(
           m.url,