@Override
    public String toString() {
        return "LmdbEnv{" +
                "localDir=" + localDir +
                ", name='" + name + '\'' +
                ", envFlags=" + envFlags +
                '}';
    }
Deletes {@link LmdbEnv} from the filesystem if it is already closed.
stroom-lmdb/src/main/java/stroom/lmdb/LmdbEnv.java