Updated git submodules

Project: music master 473e6979a7ca4f728355a9cf52da54458bff0c9e

Revert "added cassandra repository test package"

This reverts commit 2681fb23f47137296498cbb35f6231fb5caea739.
File was pushed to wrong branch and breaking further commits

Issue-ID: MUSIC-203
Change-Id: I2cf564088cf4e6d7ec9b05c03e87e545a469abc5
Signed-off-by: Tschaen, Brendan <ctschaen@att.com>

diff --git a/docs/submodules/music.git b/docs/submodules/music.git
index 89cbcb4..473e697 160000 (submodule)
--- a/docs/submodules/music.git
+++ b/docs/submodules/music.git
@@ -1 +1 @@
-Subproject commit 89cbcb4c69b6597de39370d079a943a0a6a0949f
+Subproject commit 473e6979a7ca4f728355a9cf52da54458bff0c9e