Update git submodules

* Update docs/submodules/fds from branch 'master'
  - Remove draft docs for dvr_ha scenario

    The DVR scenario with HA will not be released
    in Euphrates 5.0 - and the current documentation
    isn't up to date. Removing the docs for now
    to avoid any confusion.

    Change-Id: I1f0bd9d29073f96ddfc7b115bd0641d05b502761
    Signed-off-by: Frank <fbrockne@cisco.com>

diff --git a/docs/submodules/fds b/docs/submodules/fds
index f11dd67..13c18cd 160000 (submodule)
--- a/docs/submodules/fds
+++ b/docs/submodules/fds
@@ -1 +1 @@
-Subproject commit f11dd67c173a7e03f2eb0030cc90c5591f034f73
+Subproject commit 13c18cd4b42c849769369f150c01db4972684b8d