Revert "webos-image: luna-service2=160"

Revert https://g2g.palm.com/#/c/3750 because it causes build failure.

This reverts commit 9fe8328ce5405603d1cbed7cdc0f200ea5650ada.

Open-webOS-DCO-1.0-Signed-off-by: Susan Montooth <susan.montooth@lge.com>

Change-Id: I526fc4ea28de39d4c4077940909ee5ac0fd7e0b9
Reviewed-on: https://g2g.palm.com/3771
Reviewed-by: Build Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>
Tested-by: Susan Montooth <susan.montooth@lge.com>