[master] Remove firing useless event and not related comment

[vzhestkov]

What does this PR do?

There is a useless event fired and the comment which doesn't seem really related to this operation.
It was introduced long time ago with c131c09
and just issuing the following:

20240327120237373936	{"minions": ["evil-004991.demo.org", "evil-004992.demo.org", "evil-004993.demo.org", "evil-004994.demo.org"], "_stamp": "2024-03-27T12:02:37.375454"}

in combination with meaningful:

salt/job/20240327120237373936/new	{"jid": "20240327120237373936", "tgt_type": "list", "tgt": ["evil-004991.demo.org", "evil-004992.demo.org", "evil-004993.demo.org", "evil-004994.demo.org"], "user": "admin", "fun": "test.arg", "arg": [], "minions": [""evil-004991.demo.org", "evil-004992.demo.org", "evil-004993.demo.org", "evil-004994.demo.org"], "missing": [], "_stamp": "2024-03-27T12:02:37.375807"}

What issues does this PR fix or reference?

Tracks: https://github.com/SUSE/spacewalk/issues/23526

Previous Behavior

Remove this section if not relevant

New Behavior

Remove this section if not relevant

Merge requirements satisfied?

[NOTICE] Bug fixes or features added to Salt require tests.

• Docs
• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• Tests written/updated

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[Akm0d]

What is the justification for removing this event? Besides you not having a use for it, Is it causing problems somewhere?