Update wallet.mdx

Author: 0xAlec

site/docs/pages/wallet/wallet.mdx

@@ -44,15 +44,7 @@ If you'd like more customization, follow the implementation guide for our `Walle
 ```tsx twoslash
 import { WalletDefault } from '@coinbase/onchainkit/wallet';
 
-export function WalletComponents() {
-  return (
-// ---cut-before---
-// omitted for brevity
-
-<WalletDefault /> // [!code focus]
-// ---cut-after---
-);
-}
+<WalletDefault />
 ```