Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to b9b6fb0db83390c80eec5a38a051a4cf2e881293
  - Merge "Cleaning up Sonar issues in JerseyConfig"
  - Cleaning up Sonar issues in JerseyConfig
    
    Unnecessary imports have been removed.
    Formatting done according to ONAP and Google Java Style.
    
    Issue-ID: MUSIC-321
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>
    Change-Id: I04ed46d1cb5daa601713e1a4ee0e024b7d1ad55d
    
1 file changed