Use Azure auth for no good reason

packages/frontend/src/app.tsx

@@ -1,5 +1,4 @@
 import { Home } from "@/routes/Home";
-import { Login } from "@/routes/Login";
 import { Piece } from "@/routes/Piece";
 import { Pieces } from "@/routes/Pieces";
 import { Repertoire } from "@/routes/Repertoire";
@@ -63,10 +62,6 @@ const router = createBrowserRouter([
 			},
 		],
 	},
-	{
-		path: "/login",
-		Component: Login,
-	},
 ], {
 	future: {
 		v7_fetcherPersist: true,