message: Remove unused locs
diff: -locate port Drv.ByteStreamPoll at "ByteStreamDriverModel/ByteStreamDriverModel.fpp"
  -locate port Drv.ByteStreamRecv at "ByteStreamDriverModel/ByteStreamDriverModel.fpp"
  -locate port Drv.ByteStreamSend at "ByteStreamDriverModel/ByteStreamDriverModel.fpp"
  -locate type Drv.PollStatus at "ByteStreamDriverModel/ByteStreamDriverModel.fpp"
  -locate type Drv.RecvStatus at "ByteStreamDriverModel/ByteStreamDriverModel.fpp"
  -locate type Drv.SendStatus at "ByteStreamDriverModel/ByteStreamDriverModel.fpp"
  