Update git submodules

Update git submodules

* Update docs/submodules/apex from branch 'stable/euphrates'
  - Merge "Removing duplicate lib path in ansible_path" into stable/euphrates
  - Removing duplicate lib path in ansible_path

    - deploy line 283 lib is joined with ANSIBLE_PATH
      then line 285, 347, 418 and 435 it was joined again with
      ansible_path from 283 already containing lib

    Change-Id: I6612967d626eeb0668eb43294831447c387f8e93
    Signed-off-by: Dan Radez <dradez@redhat.com>
    (cherry picked from commit fae35267b18d246350ace0e38c41c307bec73894)