Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 1be844e494300c9c2eae7becbaf0aa9136d9278c
  - Update DeleteSliceService auth
    
    Issue-ID: SO-2942
    
    Signed-off-by: zm330 <zhangminyj@chinamobile.com>
    Change-Id: I93015340d57e9feeba0d212bef7978a3a33d1026
    
1 file changed