Update git submodules

* Update docs/submodules/moon from branch 'master'
  - moonv4 clean up

    Change-Id: Ied1e065f941e59bf9a75545436b7ac09174942fa

diff --git a/docs/submodules/moon b/docs/submodules/moon
index 920a49c..337031d 160000 (submodule)
--- a/docs/submodules/moon
+++ b/docs/submodules/moon
@@ -1 +1 @@
-Subproject commit 920a49cfa055733d575282973e23558c33087a4a
+Subproject commit 337031d5e14ab89b1fb9b24b7bfdc6e66e5ca8af