move Layout into _app.tsx

pages/prices.tsx

@@ -1,8 +1,6 @@
-import Layout from '../components/layout'
-
 export default function Prices() {
   return (
-    <Layout>
+    <>
       <h1 className="mb-3 text-xl font-extrabold">Preise</h1>
       <table className="divide-y divide-gray-200">
         <thead className="bg-gray-50">
@@ -43,6 +41,6 @@ export default function Prices() {
           </tr>
         </tbody>
       </table>
-    </Layout>
+    </>
   )
 }