revert: remove instance beacons

The instance beacons broadcasted via bleno seem to cause trouble
for
many users, so they were removed from the software again.

BREAKING CHANGE: instance beacons along with their configuration
options
and the companion app auto toggling feature are not available
anymore

Closes #763

docs/integrations/bluetooth-low-energy.md

@@ -56,8 +56,6 @@ You can track iOS devices (iPhones, iPads) with this integration using our compa
 
 It is recommended to raise the `timeout` setting to at least `60` when using the companion app, as the signal may not always be constant.
 
-You can turn on auto-toggling of this feature in the companion app, which will automatically turn off the trackable information when you are not in reach of any room-assistant instance. This feature requires "always" location permissions to work. It uses beacon advertisements emitted by room-assistant and does not grab your geo-location.
-
 ::: details Example Config
 
 ```yaml
@@ -88,9 +86,6 @@ bluetoothLowEnergy:
 | `batteryMask`     | Number                          | `0x00000000` | If non-zero, extract the beacon's battery level from the major/minor fields. The mask operates on a 32bit value with major as the high two bytes and minor as the low two bytes. |
 | `tagOverrides`    | [Tag Overrides](#tag-overrides) |          | Allows you to override some properties of the tracked devices. |
 | `hciDeviceId`     | Number                          | `0`      | ID of the Bluetooth device to use for the inquiries, e.g. `0` to use `hci0`. |
-| `instanceBeaconEnabled` | Boolean | `true` | Whether this instance should emit iBeacon advertisements via BLE, which can be used by the room-assistant companion app to auto-toggle advertising. |
-| `instanceBeaconMajor` | Number | `1` | The major of the advertised iBeacon. |
-| `instanceBeaconMinor` | Number | Random | The minor of the advertised iBeacon. |
 
 ### Tag Overrides