Booting time even after removing VB

[ejc]

Thanks for your answer, here is what I get
systemd-analyze blame

systemd-analyze blame
    2min 12.935s vboxadd.service
    2min 7.975s plymouth-quit-wait.service
    1min 30.231s nmbd.service
        19.391s dev-sda1.device
        18.649s ufw.service
        12.896s udisks2.service
        12.876s networkd-dispatcher.service
        12.328s ModemManager.service
          9.066s accounts-daemon.service
          7.943s systemd-rfkill.service
          7.773s avahi-daemon.service
          7.765s thermald.service
          7.674s console-kit-log-system-start.service
          7.584s gpu-manager.service
          7.421s NetworkManager-wait-online.service
          7.096s pppd-dns.service
          7.079s rsyslog.service
          7.072s ubiquity.service
          6.731s systemd-logind.service
          6.682s apparmor.service
          6.192s NetworkManager.service
          5.279s networking.service
          4.748s upower.service


I can send a sysreport by mail if needed.