Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Clean repo: mano directory not used"
  - Clean repo: mano directory not used

    Initially this folder was plan to perform tests on mano framework
    Mano framework are integrated through vnf but there is no specific
    mano suite to test mano framework

    Change-Id: I636a228729d4140d69214dba98055eeb14419854
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index ba45911..cb239a2 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit ba459114a5dfd1efe5e817fdc8a172bfb4dc0a3e
+Subproject commit cb239a2a5ec46086ce8c046e2db4cb7eb7b18181