docs(upgrading/component-routes): fix grammar (remix-run#13866)

Author: MichaelDeBoey

docs/upgrading/component-routes.md

@@ -248,7 +248,7 @@ export default function Component() {
 
 ## 7. Boot the app
 
-At this point you should be able to to boot the app and see the root layout.
+At this point you should be able to boot the app and see the root layout.
 
 **👉 Add `dev` script and run the app**