[Invisalign2] remove unused smp_send_init am: 25fd0f62

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2853553



Change-Id: Ia958f30aa7f18599486491de6d6047d9a933210b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>