Update git submodules

* Update docs/submodules/moon from branch 'master'
  - Merge "remove duplicated functions"
  - remove duplicated functions

    Change-Id: Ie118fd322d1426bd5e2c434e4c56e9b08d75521b

diff --git a/docs/submodules/moon b/docs/submodules/moon
index ed704f2..7d7a0a5 160000 (submodule)
--- a/docs/submodules/moon
+++ b/docs/submodules/moon
@@ -1 +1 @@
-Subproject commit ed704f25eec7e77c893fa3598fece27471afa179
+Subproject commit 7d7a0a56ad4dc58ae24e205187b6129f7288bb46