code: @Indexable(type = IndexableType.DELETE)
  	@Override
  	public CommerceDiscountUsageEntry deleteCommerceDiscountUsageEntry(
  		long commerceDiscountUsageEntryId) throws PortalException {
  		return commerceDiscountUsageEntryPersistence.remove(commerceDiscountUsageEntryId);
  	}
docs: Deletes the commerce discount usage entry with the primary key from the database. Also notifies the appropriate model listeners.
  
  @param commerceDiscountUsageEntryId the primary key of the commerce discount usage entry
  @return the commerce discount usage entry that was removed
  @throws PortalException if a commerce discount usage entry with the primary key could not be found