remove obsolete system_advanced.inc
remove obsolete system_advanced.inc

pfsense/pfsense,dennypage/pfsense,dennypage/pfsense,dennypage/pfsense,NewEraCracker/pfsense,pfsense/pfsense,NewEraCracker/pfsense,dennypage/pfsense,pfsense/pfsense,NewEraCracker/pfsense,pfsense/pfsense,NewEraCracker/pfsense