Remove 4.* series kernel from 18.04

[Grizzly]

27 April 2023  at 6:57, Bret Busby wrote:
Re: Remove 4.* series kernel from 1 (at least in part)

>I am wondering about the wisdom of running 18.04, when it is now five 
>years out of date, and, two LTS versions have since been released; 20.04 
>and 22.04.

The OP could get the extended support, if for some reason moving to 20.04, 
22.04, 24.04 is not possible or desirable, to check what is available

sudo ua status