Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to e492a72a094cd4a54f96e47521578d0938d85d87
  - Remove unused code

    Remove unused code. This is part of the old
    legacy code and will anyway have to be re-implemented
    whenever the update functionality gets added.

    Issue-ID: MULTICLOUD-666
    Change-Id: I02a91a2b221da9d82433f8c2ee1dd014a81e4f4d
    Signed-off-by: Kiran Kamineni <kiran.k.kamineni@intel.com>

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index 1b8bee8..e492a72 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit 1b8bee840af30f67fcdc0d45ef9334f0461ca1c7
+Subproject commit e492a72a094cd4a54f96e47521578d0938d85d87