Как удалить Ubuntu 16.04 с двойной загрузкой с Ubuntu 20.04

I have a dual boot of ubuntu with windows, what I do to eliminate the operating system is to eliminate the partition where I have it mounted. you could try to delete the partition of the disk where ubuntu 16.04 is, here comes information on how to do it,but be very careful not to uninstall 20.04 удалите раздел диска, на котором ubuntu