Update setup.mdx

Author: yashovardhan

docs/sdk/pnp/web/vue/setup.mdx

@@ -53,7 +53,7 @@ const web3AuthContextConfig: Web3AuthContextConfig = {
 // focus-end
 ```
 
-## Wagmi Integration (Optional)
+## Wagmi Integration
 
 If you are using Wagmi, you need to install the `wagmi` & `@tanstack/vue-query` packages and use the
 **Web3Auth implementation of `WagmiProvider`** for configuration.