[roll] Roll fuchsia [build] Remove driver_module build template

All users have migrated over to fuchsia_driver.

Original-Fixed: 80964
Test: fx build
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/589045
Original-Revision: b20f55ce15ca2537485f84e6b85ea8cb7a15eb99
GitOrigin-RevId: c9e1187efe82c1c19c042dd5c97253823003d9a7
Change-Id: Icda0157247499d637bc23f2d7a85bf5e5586947c
diff --git a/stem b/stem
index 08c0642..19fd0e6 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="e7291e7ec5135f3f8f99561f07339588b3b3f77c"/>
+             revision="b20f55ce15ca2537485f84e6b85ea8cb7a15eb99"/>
   </projects>
   <hooks>
     <hook name="install-environment"