* patch housekeeping for new upstream code
  + remove upstreamed patches
    - delete debian/patches/04-ltversioning.patch
    - delete debian/patches/ftbfs_nm_netlink_monitor.patch
    - delete debian/patches/lp290468_only_consider_name_suffix_VPN_service_files.patch
    - update debian/patches/series
  + adjust patches to new upstream code base
    - update debian/patches/lp292054_tune_supplicant_timeout_60s.patch