Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove obsolete apex processing in juju_epc"
  - Remove obsolete apex processing in juju_epc

    It has been useless since [1] was merged

    [1] https://jira.opnfv.org/browse/APEX-570

    Change-Id: Id89b75d8cad9e180a02189450e13fa1e61b1239c
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index e6fbaf2..2f09d00 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit e6fbaf28d172ff11e636a64308e63dcd34d5ff02
+Subproject commit 2f09d00455453d0f50b197858db82284d60dc6bd