Ubuntu 20.04.6 LTSのメンテごめんて

$ sudo sh -c 'apt update && apt dist-upgrade -y'
  :
The following packages will be upgraded:
  libx11-6 libx11-data
  :
$ cat /var/run/reboot-required*
cat: '/var/run/reboot-required*': No such file or directory

ってどうしてサーバにx11入れてるんだっけ…