systemd: udev.socket - disable implicit dependencies

  Set hostname to <eeepc>.
  Found ordering cycle on sysinit.target/start
  Walked on cycle path to systemd-tmpfiles-setup.service/start
  Walked on cycle path to local-fs.target/start
  Walked on cycle path to fedora-storage-init.service/start
  Walked on cycle path to fedora-wait-storage.service/start
  Walked on cycle path to udev-settle.service/start
  Walked on cycle path to udev.service/start
  Walked on cycle path to udev.socket/start
  Walked on cycle path to sysinit.target/start
  Breaking ordering cycle by deleting job systemd-tmpfiles-setup.service/start