Remove legacy code for static routes.
Remove legacy code for static routes.

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