Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to 97ea0b21eebad043a17cdc4224f8eb44bc2d8b29
  - Merge "Remove straggling zookeper references"
  - Remove straggling zookeper references
    
    Issue-ID: MUSIC-361
    Signed-off-by: Tschaen, Brendan <ctschaen@att.com>
    Change-Id: I4faac78bc898b07902ce97ac6112f0dcd4a3729a
    
1 file changed