Remove a test that we were only skipping to see if it would fix other tests

It didn't.

* platform/mac-wk2/Skipped:

git-svn-id: http://svn.webkit.org/repository/webkit/trunk@73132 268f45cc-cd09-0410-ab3c-d52691b4dbfc

LayoutTests/ChangeLog

+2010-12-02  Adam Roben  <aroben@apple.com>
+
+        Remove a test that we were only skipping to see if it would fix other tests
+
+        It didn't.
+
+        * platform/mac-wk2/Skipped:
+
 2010-12-02  Adam Roben  <aroben@apple.com>
         Add some new tests to the mac-wk2 Skipped file

LayoutTests/platform/mac-wk2/Skipped

@@ -2008,9 +2008,6 @@ plugins/get-url-with-blank-target.html
 fast/parser/remove-misnested-iframe-in-beforeload.html
 fast/parser/remove-misnested-iframe-parent-in-beforeload.html
 
-# This test seems to be making subsequent tests time out.
-http/tests/navigation/changing-frame-hierarchy-in-onload.html
-
 # Unexplained failures that were formerly in the WebKitTestRunner needs to print onunload handler list.
 fast/events/onunload-clears-onbeforeunload.html