code: public static com.liferay.commerce.product.model.CPInstance deleteCPInstance(
  		com.liferay.commerce.product.model.CPInstance cpInstance)
  		throws com.liferay.portal.kernel.exception.PortalException {
  		return getService().deleteCPInstance(cpInstance);
  	}
docs: Deletes the cp instance from the database. Also notifies the appropriate model listeners.
  
  @param cpInstance the cp instance
  @return the cp instance that was removed
  @throws PortalException