Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 983e15f3d8278b7f233af668e4013706cd046373
  - Clean xtesting repo from integration

    all xtesting activities should be in a dedicated respository

    Issue-ID: INT-1366

    Signed-off-by: mrichomme <morgan.richomme@orange.com>
    Change-Id: Iec8fbf0b24eb18496a49eccb79af9fb85d29dc1f

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index e99c81b..983e15f 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit e99c81bd877cbf5f1be54931d3c0ab1d39221ab1
+Subproject commit 983e15f3d8278b7f233af668e4013706cd046373