[roll] Roll fuchsia [sandbox] Delete Clonable

This type is unused and there is no plan to use it.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1036954
Original-Revision: 5c42b515415bf7131e11a21e25f849017b6f3966
GitOrigin-RevId: 6756f41f753ec2b79fbce132da36d9097ec40b1e
Change-Id: I8dc01bf127ba573bff914054355f332cd6315bfd
diff --git a/stem b/stem
index 258d2e4..7cd13f7 100644
--- a/stem
+++ b/stem
@@ -11,7 +11,7 @@
              githooks="integration/git-hooks"
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="5377a5cc926719a77607b8274a1871c5e8bec99f"/>
+             revision="5c42b515415bf7131e11a21e25f849017b6f3966"/>
   </projects>
   <hooks>
     <hook name="install-environment"