Since we are now storing the _service in OBS, use it instead of
constructing the file. Clean-up the unused code.
Initial testing with fault, more to come.
Story: 2006673
Task: 36943
Change-Id: Ic9cd73ee31d213550263b415670b0bcae8953236
Signed-off-by: Saul Wold <sgw@linux.intel.com>