Actually, we don't need to federate a Note

Mastodon supports Article, see https://github.com/tootsuite/mastodon/blob/63f097979990bf5ba9db848b8a253056bad781af/app/lib/activitypub/activity/create.rb#L191

src/routes/posts.rs

@@ -58,9 +58,5 @@ fn create(blog_name: String, data: Form<NewPostForm>, user: User, conn: DbConn)
     let act = Create::new(&user, &post, &*conn);
     broadcast(&*conn, &user, act, user.get_followers(&*conn));
 
-    let note_act = Create::new(&user, &PostNote { post: post }, &*conn);
-    broadcast(&*conn, &user, note_act, user.get_followers(&*conn));
-
-
     Redirect::to(format!("/~/{}/{}", blog_name, slug).as_str())
 }