Update git submodules

* Update docs/submodules/multicloud/k8s.git from branch 'master'
  to c898a84208d20f0040778450cc401a35c3f8ee41
  - Merge "Mongo api changes"
  - Mongo api changes
    
    Add RemoveTag call to allow removal of attribute from
    a mongo document.
    Allow find to return and empty list.
    
    Issue-ID: MULTICLOUD-1029
    Signed-off-by: Eric Multanen <eric.w.multanen@intel.com>
    Change-Id: I315efb8a4da485b697727254ccc9a5828f11a0d0
    
1 file changed