Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to b8f0a1c74947c50b3f1a5b3e3ca7cb6e4ccc7ab9
  - Merge "Remove unsused variables from kud-vars"
  - Remove unsused variables from kud-vars

    ovn4nfv url and other information not
    required now after the patch
    https://gerrit.onap.org/r/#/c/multicloud/k8s/+/93602/

    Issue-ID: MULTICLOUD-684
    Signed-off-by: Ritu Sood <ritu.sood@intel.com>
    Change-Id: Ic4ccc67647c85a39d482ff7d71122f05641d1acb

diff --git a/docs/submodules/multicloud/k8s.git b/docs/submodules/multicloud/k8s.git
index a73b092..b8f0a1c 160000 (submodule)
--- a/docs/submodules/multicloud/k8s.git
+++ b/docs/submodules/multicloud/k8s.git
@@ -1 +1 @@
-Subproject commit a73b09212b05b546623143f3fb796609177a4055
+Subproject commit b8f0a1c74947c50b3f1a5b3e3ca7cb6e4ccc7ab9