vts: supplicant: Remove optional service registration am: 31c434b96c am: 8f10e805c5 am: 574c7d7df4

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/12131484

Change-Id: Ifdc655ac9ba405dd0423ac7e489297391b05c33e