Update git submodules

* Update docs/submodules/clamp.git from branch 'master'
  to 4b0a47052ce77b51e28b3b4deb627d951e2dabad
  - Merge "Disable ES docker build"
  - Disable ES docker build

    Disable the elastic search docker build from the release as Search Guard
    has been deleted from web repo due to "DMCA takedown notice"

    Issue-ID: CLAMP-506
    Change-Id: I28cb7d20dd0d2511d548385f46f19759148ff918
    Signed-off-by: sebdet <sebastien.determe@intl.att.com>

diff --git a/docs/submodules/clamp.git b/docs/submodules/clamp.git
index 27cbec7..4b0a470 160000 (submodule)
--- a/docs/submodules/clamp.git
+++ b/docs/submodules/clamp.git
@@ -1 +1 @@
-Subproject commit 27cbec79e30f7e25a7419be38dd9bb7c324c782c
+Subproject commit 4b0a47052ce77b51e28b3b4deb627d951e2dabad