Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to f8842dbd4065e0b90d4ed0d4af9e4cc72ca218dd
  - Merge "Cleaned up Sonar issues in AuditStackServiceData"
  - Cleaned up Sonar issues in AuditStackServiceData
    
    Removed unnecessary imports.
    Removed unnecessary cast to "String".
    
    Change-Id: I8b14b0f53860edb656b38914941c44003a625037
    Issue-ID: SO-1537
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>
    
1 file changed