[roll] Roll fuchsia [build] Remove board_bootfs_labels and //build/input:bootfs

These are now unused by products/boards, and can be removed.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1101272
Original-Revision: bd9752e0b8b1bb62481032ae9722b68d0e69a617
GitOrigin-RevId: 0ea32605920c008429368a64a63f9bbd745fd59a
Change-Id: I7ee54ba0717e76af25b530f7febed736925dcfff
diff --git a/stem b/stem
index f130841..ab71c30 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="09c5b596a8c0fc687095ae24e49774b4aa651247"/>
+             revision="bd9752e0b8b1bb62481032ae9722b68d0e69a617"/>
   </projects>
   <hooks>
     <hook name="install-environment"