ActivityPub tests: remove assertions of embedded object being updated,

because the objects are no longer supposed to be embedded

test/web/activity_pub/activity_pub_test.exs

@@ -679,9 +679,6 @@ defmodule Pleroma.Web.ActivityPub.ActivityPubTest do
       assert like_activity == same_like_activity
       assert object.data["likes"] == [user.ap_id]
 
-      [note_activity] = Activity.get_all_create_by_object_ap_id(object.data["id"])
-      assert note_activity.data["object"]["like_count"] == 1
-
       {:ok, _like_activity, object} = ActivityPub.like(user_two, object)
       assert object.data["like_count"] == 2
     end