Update git submodules

* Update docs/submodules/apex from branch 'master'
  - Merge "More cleanup for ci directory"
  - More cleanup for ci directory

    Changes Include:
     - Moves dev_dep_check.sh to contrib dir as it is not used by our CI
     - Removes test.sh as it is not used by CI.  tox can be invoked
       directly for developers.
     - Removes run_smoke_tests.sh which is not used anymore

    Change-Id: I59e39be0ce8b23234c70bf066aebf894b6d73388
    Signed-off-by: Tim Rozet <trozet@redhat.com>

diff --git a/docs/submodules/apex b/docs/submodules/apex
index b196fa9..4c14519 160000 (submodule)
--- a/docs/submodules/apex
+++ b/docs/submodules/apex
@@ -1 +1 @@
-Subproject commit b196fa91f1b2b418a2fae558573b77e9895dccfb
+Subproject commit 4c14519e56d9b5a77743f6f2fbc92068d996a649