Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 3f944054e3353c27ee9af84f8f2577fb47b41f20
  - Merge "Add script file for Delete Communication Service"
  - Add script file for Delete Communication Service
    
    Issue-ID: SO-2368
    
    Signed-off-by: zm330 <zhangminyj@chinamobile.com>
    Change-Id: I56803f9126b3362d8565b56861e23ed5a54967e9
    
1 file changed