remove unused code

src/pages/index.tsx

@@ -188,28 +188,4 @@ const Home: NextPage = () => {
   );
 };
 
-export default Home;
+export default Home;
-
-const AuthShowcase: React.FC = () => {
-  const { data: sessionData } = useSession();
-
-  const { data: secretMessage } = api.example.getSecretMessage.useQuery(
-    undefined, // no input
-    { enabled: sessionData?.user !== undefined }
-  );
-
-  return (
-    <div className="flex flex-col items-center justify-center gap-4">
-      <p className="text-center text-2xl text-white">
-        {sessionData && <span>Logged in as {sessionData.user?.name}</span>}
-        {secretMessage && <span> - {secretMessage}</span>}
-      </p>
-      <button
-        className="rounded-full bg-white/10 px-10 py-3 font-semibold text-white no-underline transition hover:bg-white/20"
-        onClick={sessionData ? () => void signOut() : () => void signIn()}
-      >
-        {sessionData ? "Sign out" : "Sign in"}
-      </button>
-    </div>
-  );
-};