Update git submodules

* Update neutron from branch 'master'
  to 467b2827f2a17d223032db3b33ad2a3e9781d668
  - Merge "Remove redundant mock statement"
  - Remove redundant mock statement

    The return value for mock_sync is set twice. This removes the first time.

    TrivialFix

    Change-Id: I61b7216b620f5a5eabffbdf9ff89da3f80942e8a
    Signed-off-by: Doug Szumski <doug@stackhpc.com>

diff --git a/neutron b/neutron
index b01e3aeb7b3b63e847858411bd6664aeacdc5f27..467b2827f2a17d223032db3b33ad2a3e9781d668 160000 (submodule)
--- a/neutron
+++ b/neutron
@@ -1 +1 @@
-Subproject commit b01e3aeb7b3b63e847858411bd6664aeacdc5f27
+Subproject commit 467b2827f2a17d223032db3b33ad2a3e9781d668