Ubuntu Startup dauert länger, nachdem sich die Swap -Datei geändert hat

UUID of a partition changes when you format it. The UUID of the deleted swap partition in your fstab is not valid. Change it to the current UUID of the partition. 
go to: sudo nano /etc/fstab

https://askubuntu.com/questions/1216157/ubuntu-slow-boot-after-swap-removing
namesaq