[roll] Roll fuchsia [build] Remove the allowed_to_use_subpackages allowlist

All targets are now allowed to use subpackages.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/883538
Original-Revision: 3cbbc0df3600ca5ce996d5ecff34cf06ea1178de
GitOrigin-RevId: ebaaac7a9e31f33dd1241cc5aac4de3b90d2a06b
Change-Id: I27ae60e07cb5feda67616ae5dbd57617331b745a
diff --git a/stem b/stem
index a6068e4..a736df2 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="c51a07846b7833d1f319856e681e8959a691db67"/>
+             revision="3cbbc0df3600ca5ce996d5ecff34cf06ea1178de"/>
   </projects>
   <hooks>
     <hook name="install-environment"