How to remove HPLIP from SysTray

HPLIP stands for the HP Linux Imaging and Printing project which provides support for a variety hp printers on Linux. Its useful especially if you like to use the scanning feature by SANE, in my case CUPS ran out of the box.

On the other hand its a annoying symbol in the system tray and the application doesnt care if you set it to hide in the settings, at least on my Ubuntu 18.04. The simplest option is to remove it from

/etc/xdg/autostart/