Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove Onos in Functest"
  - Remove Onos in Functest

    No feedback from onos projects for Euphrates for MS6

    Change-Id: I8d295c65e4b621df87752e15b5f41e04a80b32ca
    Signed-off-by: Morgan Richomme <morgan.richomme@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index af86e67..4e39ca9 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit af86e67845ff7d074d389aa54cd4c3744d037348
+Subproject commit 4e39ca947fcb30ab176bf3a2405a5b71965497f7