🎨  adapt bootstrap file because of nconf changes
🎨  adapt bootstrap file because of nconf changes

refs #6982
- remove load config
- remove checkDeprecated
- adapt arguments for scheduling init

[ci skip]

novaugust/Ghost,ErisDS/Ghost,ignasbernotas/nullifer,vainglori0us/urban-fortnight,BlueHatbRit/Ghost,JohnONolan/Ghost,Kikobeats/Ghost,tidyui/Ghost,Kikobeats/Ghost,TryGhost/Ghost,lukekhamilton/Ghost,e10/Ghost,ignasbernotas/nullifer,cwonrails/Ghost,SkynetInc/steam,mohanambati/Ghost,sebgie/Ghost,acburdine/Ghost,ballPointPenguin/Ghost,janvt/Ghost,adam-paterson/blog,jomahoney/Ghost,singular78/Ghost,stridespace/Ghost,acburdine/Ghost,kevinansfield/Ghost,sebgie/Ghost,acburdine/Ghost,disordinary/Ghost,chevex/undoctrinate,JohnONolan/Ghost,olsio/Ghost,cwonrails/Ghost,vainglori0us/urban-fortnight,adam-paterson/blog,e10/Ghost,mohanambati/Ghost,dbalders/Ghost,vainglori0us/urban-fortnight,leninhasda/Ghost,BlueHatbRit/Ghost,stridespace/Ghost,novaugust/Ghost,sebgie/Ghost,TryGhost/Ghost,jomahoney/Ghost,tidyui/Ghost,stridespace/Ghost,letsjustfixit/Ghost,singular78/Ghost,singular78/Ghost,dbalders/Ghost,bitjson/Ghost,rizkyario/Ghost,SkynetInc/steam,janvt/Ghost,Gargol/Ghost,rizkyario/Ghost,olsio/Ghost,cwonrails/Ghost,JohnONolan/Ghost,rizkyario/Ghost,mohanambati/Ghost,ballPointPenguin/Ghost,TryGhost/Ghost,ErisDS/Ghost,lukekhamilton/Ghost,novaugust/Ghost,letsjustfixit/Ghost,kevinansfield/Ghost,Kikobeats/Ghost,dbalders/Ghost,leninhasda/Ghost,disordinary/Ghost,letsjustfixit/Ghost,Gargol/Ghost,kevinansfield/Ghost,ErisDS/Ghost,bitjson/Ghost,ivantedja/ghost