RootCanal: Remove ScriptedBeacon from the device boutique

ScriptedBeacon is still being used indirectly in the HAL
implementation android.hardware.bluetooth@1.1-service.sim
by internal chromecast/nearby tests but never
in the root-canal binary.

Bug: 331817295
Test: m root-canal
Test: m android.hardware.bluetooth@1.1-service.sim
Flag: EXEMPT, tool change
Change-Id: I9124eb7dcecbb0e7580be6cde25f410627c26b46