code: @Override
  	public CPInstance removeByC_S(long CPDefinitionId, String sku)
  		throws NoSuchCPInstanceException {
  		CPInstance cpInstance = findByC_S(CPDefinitionId, sku);
  
  		return remove(cpInstance);
  	}
docs: Removes the cp instance where CPDefinitionId = &#63; and sku = &#63; from the database.
  
  @param CPDefinitionId the cp definition ID
  @param sku the sku
  @return the cp instance that was removed