code: @Indexable(type = IndexableType.DELETE)
  	@Override
  	public CommercePaymentMethodGroupRel deleteCommercePaymentMethodGroupRel(
  		long commercePaymentMethodGroupRelId) throws PortalException {
  		return commercePaymentMethodGroupRelPersistence.remove(commercePaymentMethodGroupRelId);
  	}
docs: Deletes the commerce payment method group rel with the primary key from the database. Also notifies the appropriate model listeners.
  
  @param commercePaymentMethodGroupRelId the primary key of the commerce payment method group rel
  @return the commerce payment method group rel that was removed
  @throws PortalException if a commerce payment method group rel with the primary key could not be found