@Override
  public int hashCode() {
    int hash = 0;
    for (String s : this.confData.keySet()) {
      hash ^= s.hashCode();
    }
    return hash;
  }
Removes given config option from the configuration.

@param configOption config option to remove
@param <T> Type of the config option
@return true is config has been removed, false otherwise
amoro-common/src/main/java/org/apache/amoro/config/Configurations.java