message: chore: Remove Battery/RSSI messages from spec v3 union
  Those messages are not in spec v3, should use Sensor now
diff: @@ -398,8 +398,6 @@ pub enum ButtplugSpecV3ClientMessage {
  RawUnsubscribeCmd(RawUnsubscribeCmd),
  ScalarCmd(ScalarCmd),
  // Sensor commands
  - BatteryLevelCmd(BatteryLevelCmd),
  - RSSILevelCmd(RSSILevelCmd),
  SensorReadCmd(SensorReadCmd),
  SensorSubscribeCmd(SensorSubscribeCmd),
  SensorUnsubscribeCmd(SensorUnsubscribeCmd),
  