Update git submodules

* Update docs/submodules/so/libs.git from branch 'master'
  to ab5c67fd92a68f9cd7ea251e2a1ba4e866ac6ba8
  - Merge "Remove unused code and import."
  - Remove unused code and import.
    
    Remove unused code and import.
    
    Issue-ID: SO-1490
    
    Change-Id: Idbcc1e9aec2be8711b89705d4796a0a12b339721
    Signed-off-by: Isaac Manuel Raj <isaac.manuelraj@huawei.com>
    
1 file changed