Update git submodules

* Update docs/submodules/usecase-ui.git from branch 'master'
  to 816841486589afe416ebd65a55f6010b0ea338ab
  - feat:add deleteModel component of service-list page
    
    Change-Id: I29c64343321f216152f466a7f8650b54e63dde53
    Issue-ID: USECASEUI-307
    Signed-off-by: cyuamber <xuranyjy@chinamobile.com>
    
1 file changed