code: public static CommerceDiscountRel remove(long commerceDiscountRelId)
  		throws com.liferay.commerce.discount.exception.NoSuchDiscountRelException {
  		return getPersistence().remove(commerceDiscountRelId);
  	}
docs: Removes the commerce discount rel with the primary key from the database. Also notifies the appropriate model listeners.
  
  @param commerceDiscountRelId the primary key of the commerce discount rel
  @return the commerce discount rel that was removed
  @throws NoSuchDiscountRelException if a commerce discount rel with the primary key could not be found