Update git submodules

* Update docs/submodules/barometer from branch 'stable/euphrates'
  - Removed Table of content

    Readthedocs generate TOC so it's not needed to add within the
    documents.

    Change-Id: Ie4d14df711c89b214773c34294d6b7cd6ee13ad4
    Signed-off-by: Sofia Wallin <sofia.wallin@ericsson.com>
    (cherry picked from commit d37a178a681a61de2924e3835ec3726aaa7af38c)

diff --git a/docs/submodules/barometer b/docs/submodules/barometer
index 43764e0..3416a21 160000 (submodule)
--- a/docs/submodules/barometer
+++ b/docs/submodules/barometer
@@ -1 +1 @@
-Subproject commit 43764e0c692cf6b40895514efa78f68c5ba0e942
+Subproject commit 3416a2156b2a0e02bacef36e9c1acf4461f64a52