Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove one obsolete var"
  - Remove one obsolete var

    Else it simply forces the config file into xtesting.

    Change-Id: I33153997f2aa422e50cea011f6a4e7eb567a83d7
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index 23d9483..0bead15 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit 23d94834ee5aca5d184bfa152e5275d7a50a3f8a
+Subproject commit 0bead15943852cb018a83832e9a76c7e87c71ab7