nodeinfo: Get rid of nodeGetCellMemory
nodeinfo: Get rid of nodeGetCellMemory

The function was called in a single place only and was reporting errors
that were later ignored. Use the virNumaGetNodeMemory helper to get the
size of the memory in the NUMA node and remove the helper

fabianfreyer/libvirt,cbosdo/libvirt,jardasgit/libvirt,VenkatDatta/libvirt,datto/libvirt,olafhering/libvirt,andreabolognani/libvirt,olafhering/libvirt,libvirt/libvirt,nertpinx/libvirt,nertpinx/libvirt,shugaoye/libvirt,VenkatDatta/libvirt,taget/libvirt,elmarco/libvirt,libvirt/libvirt,fabianfreyer/libvirt,eskultety/libvirt,datto/libvirt,zippy2/libvirt,agx/libvirt,zippy2/libvirt,libvirt/libvirt,andreabolognani/libvirt,jfehlig/libvirt,jardasgit/libvirt,jfehlig/libvirt,elmarco/libvirt,taget/libvirt,datto/libvirt,fabianfreyer/libvirt,cbosdo/libvirt,olafhering/libvirt,eskultety/libvirt,nertpinx/libvirt,datto/libvirt,shugaoye/libvirt,olafhering/libvirt,agx/libvirt,rlaager/libvirt,agx/libvirt,jfehlig/libvirt,zhlcindy/libvirt-1.1.4-maintain,andreabolognani/libvirt,cbosdo/libvirt,andreabolognani/libvirt,datto/libvirt,nertpinx/libvirt,eskultety/libvirt,zhlcindy/libvirt-1.1.4-maintain,cbosdo/libvirt,zhlcindy/libvirt-1.1.4-maintain,rlaager/libvirt,rlaager/libvirt,shugaoye/libvirt,shugaoye/libvirt,elmarco/libvirt,taget/libvirt,jfehlig/libvirt,taget/libvirt,zippy2/libvirt,crobinso/libvirt,agx/libvirt,fabianfreyer/libvirt,rlaager/libvirt,crobinso/libvirt,zippy2/libvirt,nertpinx/libvirt,crobinso/libvirt,VenkatDatta/libvirt,jardasgit/libvirt,elmarco/libvirt,andreabolognani/libvirt,jardasgit/libvirt,shugaoye/libvirt,zhlcindy/libvirt-1.1.4-maintain,rlaager/libvirt,agx/libvirt,VenkatDatta/libvirt,crobinso/libvirt,eskultety/libvirt,taget/libvirt,VenkatDatta/libvirt,zhlcindy/libvirt-1.1.4-maintain,libvirt/libvirt,elmarco/libvirt,jardasgit/libvirt,eskultety/libvirt,fabianfreyer/libvirt,cbosdo/libvirt