workstation: Use the package list from workstation-packages.ks for netinstall
live-base: Drop a redundant package inclusion

    Don't explicitly include qemu-guest-agent; it's is already listed in
    @guest-desktop-agents comps group that is also pulled in to
    fedora-live-base.
First cut at reducing size of Xfce spin this cycle.
license files have moved, and we no longer ship the collection as GPL but MIT
sync with upstream
add networkmanager-submodules package group to appropriate package lists