chore: update readme

README.md

@@ -77,17 +77,6 @@ const router = OneSchemaRouter.create({
     request: z.object({ filter: z.string() }),
     response: z.object({ id: z.string(), message: z.string() }),
   });
-
-// Be sure to expose your router's routes on a Koa app.
-import Koa from 'koa';
-
-const app = new Koa().use(router.middleware());
-
-if (router.config.instrospection.router) {
-  app.use(router.config.introspection.router.middleware());
-}
-
-app.listen();
 ```
 
 Once you have routes declared, add implementations for each route. Enjoy perfect type inference and auto-complete for path parameters, query parameters, and the request body.