docs: fix typo, remove mention of renderToBufferDestination (solidjs#756)

Author: age2pierre

src/routes/solid-start/building-your-application/route-prerendering.mdx

@@ -17,7 +17,7 @@ export default defineConfig({
 });
 ```
 
-When you wish for all your routes to be pre-renderToBufferDestination, you can pass `true` to the `crawlLinks` option:
+When you wish for all your routes to be pre-rendered, you can pass `true` to the `crawlLinks` option:
 
 ```js { 6 }
 import { defineConfig } from "@solidjs/start/config";