Remove feature formating funcs from pool-specific options
Remove feature formating funcs from pool-specific options

We only have one formatting function for the features.

taget/libvirt,crobinso/libvirt,agx/libvirt,crobinso/libvirt,olafhering/libvirt,fabianfreyer/libvirt,agx/libvirt,zippy2/libvirt,nertpinx/libvirt,jardasgit/libvirt,nertpinx/libvirt,taget/libvirt,jardasgit/libvirt,jfehlig/libvirt,agx/libvirt,rlaager/libvirt,jardasgit/libvirt,datto/libvirt,eskultety/libvirt,andreabolognani/libvirt,datto/libvirt,datto/libvirt,libvirt/libvirt,taget/libvirt,fabianfreyer/libvirt,andreabolognani/libvirt,eskultety/libvirt,olafhering/libvirt,crobinso/libvirt,agx/libvirt,zippy2/libvirt,libvirt/libvirt,jfehlig/libvirt,fabianfreyer/libvirt,nertpinx/libvirt,agx/libvirt,jfehlig/libvirt,nertpinx/libvirt,datto/libvirt,jardasgit/libvirt,eskultety/libvirt,andreabolognani/libvirt,jardasgit/libvirt,rlaager/libvirt,crobinso/libvirt,VenkatDatta/libvirt,olafhering/libvirt,fabianfreyer/libvirt,VenkatDatta/libvirt,VenkatDatta/libvirt,eskultety/libvirt,libvirt/libvirt,datto/libvirt,libvirt/libvirt,zippy2/libvirt,eskultety/libvirt,andreabolognani/libvirt,andreabolognani/libvirt,taget/libvirt,nertpinx/libvirt,taget/libvirt,rlaager/libvirt,VenkatDatta/libvirt,olafhering/libvirt,rlaager/libvirt,VenkatDatta/libvirt,rlaager/libvirt,zippy2/libvirt,fabianfreyer/libvirt,jfehlig/libvirt