Replace old tutorial with link to new one

index.html

@@ -63,7 +63,7 @@ Spring HATEOAS provides some APIs to ease creating REST representations that fol
 
 ### Tutorials
 
-* [Designing and Implementing RESTful Web Services with Spring]({{site.main_site_url}}/guides/tutorials/rest)
+* [Building REST services with Spring]({{site.main_site_url}}/guides/tutorials/bookmarks)
 
 {% endcapture %}