remove dev banner

Author: korbinib

src/layouts/default.astro

@@ -2,7 +2,6 @@
 import Navigation from "../components/navigation";
 import Footer from "../components/footer";
 import Banner from "../components/banner.astro";
-import BannerPrimaryContent from "../content/banner/primary.mdx";
 import { components } from "../components/elements";
 import "../styles/global.scss";
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