code: @Indexable(type = IndexableType.DELETE)
  	@Override
  	public CPRule deleteCPRule(CPRule cpRule) throws PortalException {
  		return cpRulePersistence.remove(cpRule);
  	}
docs: Deletes the cp rule from the database. Also notifies the appropriate model listeners.
  
  @param cpRule the cp rule
  @return the cp rule that was removed
  @throws PortalException