Update git submodules

* Update docs/submodules/snaps from branch 'master'
  - Removed TODO comment from sample playbook.

    Change-Id: I124bc707dfa18fb0076eb9b070b3f1f4bf0b7172
    Signed-off-by: spisarski <s.pisarski@cablelabs.com>

diff --git a/docs/submodules/snaps b/docs/submodules/snaps
index b8b14d2..5a2a6cb 160000 (submodule)
--- a/docs/submodules/snaps
+++ b/docs/submodules/snaps
@@ -1 +1 @@
-Subproject commit b8b14d27a2ece042553a82b82fb0a3a7f3896fdf
+Subproject commit 5a2a6cb9609fab5a977d3704414fc700c35c6341