@Override
    public void unsetErasureCodingPolicy(Path path) throws IOException {
      hdfsAdmin.unsetErasureCodingPolicy(path);
    }
Unset an erasure coding policy set by a previous call to setPolicy on a directory.
@param path a directory in HDFS
shims/0.23/src/main/java/org/apache/hadoop/hive/shims/Hadoop23Shims.java