chore: remove extra cleanup line

Logs are already zero'd out

contrib/images/digitalocean/in_parts/099-cleanup

@@ -28,7 +28,6 @@ unset HISTFILE
 echo '--> Clearing log files'
 find /var/log -mtime -1 -type f -exec truncate -s 0 {} \;
 rm -rf /var/log/*.gz /var/log/*.[0-9] /var/log/*-????????
-rm /var/log/alternatives.log /var/log/auth.log /var/log/cloud-init-output.log /var/log/cloud-init.log /var/log/dpkg.log /var/log/kern.log /var/log/ubuntu-advantage-timer.log /var/log/ufw.log /var/log/unattended-upgrades
 cat /dev/null >/var/log/lastlog
 cat /dev/null >/var/log/wtmp
 rm -rf /var/lib/cloud/instances/*