Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to bc22279b5abe9c81579ae073978f9cb6cd95dc57
  - Merge "sonar fix-remove unused import"
  - sonar fix-remove unused import
    
    sonar fix-remove unused import
    
    Issue-ID: SO-2174
    Change-Id: I5c13bbf27aa0f03b448fca5c2cea7329512aff01
    Signed-off-by: Thugutla sailakshmi <tsaila10@in.ibm.com>
    
1 file changed