removeData method
Removes the data of key that was set using setData or similar functions.
Implementation
Future<void> removeData(String key) async {
await lock((batch) {
_logger.fine('removeData:$key');
final tData = batch.get(_data);
tData.remove(key);
batch.set(_data, _CompareMap(tData));
batch.commit();
}, lockKey: _key);
}