fix call to undefined function.
fix call to undefined function.

remove old PPP bits that are no longer used

phil-davis/pfsense,ch1c4um/pfsense,jxmx/pfsense,NOYB/pfsense,phil-davis/pfsense,pfsense/pfsense,ptorsten/pfsense,ch1c4um/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,brunostein/pfsense,pfsense/pfsense,ptorsten/pfsense,NOYB/pfsense,ch1c4um/pfsense,dennypage/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,BlackstarGroup/pfsense,phil-davis/pfsense,BlackstarGroup/pfsense,jxmx/pfsense,NOYB/pfsense,brunostein/pfsense,NewEraCracker/pfsense,pfsense/pfsense,ch1c4um/pfsense,dennypage/pfsense,phil-davis/pfsense,dennypage/pfsense,pfsense/pfsense,jxmx/pfsense,NewEraCracker/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,NewEraCracker/pfsense