Remove the CXP and CP system

[Mighty_Muelo]

There are already a few discussions and suggestions for that. Vote there.

Examples:

https://forums.forza.net/t/new-motorsport-improved-vehicle-upgrade-system/606256?u=mighty_muelo

https://forums.forza.net/t/upgrade-progression/607911/336?u=mighty_muelo

https://forums.forza.net/t/multiplayer-no-upgrade-parts-locked-behind-xp-every-part-should-be-unlocked-instantly/606264?u=mighty_muelo

https://forums.forza.net/t/divide-career-from-online-racing/569010?u=mighty_muelo