[roll] Roll fuchsia [virtualization] Remove old netstack support from FakeNetstack

FakeNetstack currently fakes both the v1 (fuchsia.netstack.Netstack)
and virtualization (fucisia.net.virtualization.Control) FIDL APIs.

The old v1 netstack FIDL interface is no longer used, so can be removed.

Original-Bug: 87034
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/604008
Original-Revision: f79246c569b5bb1a02be359423d7c07efe4572f5
GitOrigin-RevId: 8d31a6ec8a86cbe5be07ff8d39ec0f915cacde86
Change-Id: Ia29c50e4da42f17e73c68006a4d57cda97dc948d
diff --git a/stem b/stem
index 12e44ec..624fc59 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="4a8ffe121fa3672ae1958012dc39a83b0ad6359c"/>
+             revision="f79246c569b5bb1a02be359423d7c07efe4572f5"/>
   </projects>
   <hooks>
     <hook name="install-environment"