Remove import of old MobileNavbar

Author: williamsaether

src/components/Header/Header.astro

@@ -1,7 +1,6 @@
 ---
 import Logo from "../Branding/Logo.astro";
 import ThemeSwitcher from "./ThemeSwitcher.astro";
-import MobileNavbar from "./MobileNavbar/MobileNavbar";
 import { Menu, X, Scroll, Users, Image, Drama } from "lucide-astro";
 import { SOCIALS } from "@/lib/constants";