no longer necessary.

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@3552 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/Functions.java

@@ -117,7 +117,6 @@ public class Functions {
     }
 
     public static RunUrl decompose(StaplerRequest req) {
-        @SuppressWarnings("unchecked") // pre-JDK 5 API?
         List<Ancestor> ancestors = req.getAncestors();
         for (Ancestor anc : ancestors) {
             if(anc.getObject() instanceof Run) {