code: @Override
  	public com.liferay.commerce.discount.model.CommerceDiscountRule deleteCommerceDiscountRule(
  		com.liferay.commerce.discount.model.CommerceDiscountRule commerceDiscountRule)
  		throws com.liferay.portal.kernel.exception.PortalException {
  		return _commerceDiscountRuleLocalService.deleteCommerceDiscountRule(commerceDiscountRule);
  	}
docs: Deletes the commerce discount rule from the database. Also notifies the appropriate model listeners.
  
  @param commerceDiscountRule the commerce discount rule
  @return the commerce discount rule that was removed
  @throws PortalException