coreos-base/coreos-init: drop daemon-reload command

[tormath1]

With the recent systemd upgrade we do not need to reload the systemd daemon anymore.

This pulls:

• ensure-sysext: drop daemon-reload command init#96

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• CI: http://jenkins.infra.kinvolk.io:8080/job/container/job/packages_all_arches/3877/cldsv/
• Changelog entries added in the respective changelog/ directory (user-facing change, bug fix, security fix, update)
• Inspected CI output for image differences: /boot and /usr size, packages, list files for any missing binaries, kernel modules, config files, kernel modules, etc.

[pothos]

If I read it correctly, in sdk_container/src/third_party/coreos-overlay/coreos/config/env/sys-apps/systemd we could use After=systemd-sysext.service instead of After=ensure-sysext.service

[pothos]

Some more problems, even if the Flatcar extensions would set EXTENSION_RELOAD_MANAGER they still need to use .upholds/ symlinks instead of .wants.

ZFS: multi-user.target.wants/zfs.target → multi-user.target.upholds/zfs.target
Containerd: multi-user.target.wants/containerd.service
AWS: multi-user.target.wants/ntpd.service
Azure: multi-user.target.wants/chronyd.service
GCE: multi-user.target.wants/ntpd.service

One way is to patch WantedBy= to be UpheldBy and then the enablement with systemctl enable would work.

[github-actions]

Build action triggered: https://github.com/flatcar/scripts/actions/runs/8738383351