Fixes #36525 - kickstart's RHSM line only works on RHEL hosts

Fixes #36747 - create new snippet for subscription-manager setup

This snippet replaces the use of the katello-ca-consumer RPM for host
registration. It incorporates the necessary code from the Global Registration
template to streamline subscription-manager configuration during provisioning.

Fixes #36723 - Remove Fedora/Red Hat Atomic related code

As far as I can see this has been EOL for a few years now. Red Hat
Atomic went EOL in 2021.

Fixes #36717 - Remove katello-agent leftovers from redhat-register.erb

Fixes #35868 - Stop using Katello unconditionally

This should limit the use of the `Host#katello_agent_enable?` method to
only when the Katello plugin is actually present on the Foreman install

Fixes #33565 - speed-up kickstart on air gapped infra (#8795)

Fixes #33034 - add a description to all provisioning templates

This PR udpates all the templates metadata to provide at least minimal
description that is then stored in the DB and shown in the edit form.

Co-authored-by: Timo Goebel <mail@timogoebel.name>...

Fixes #32851 - Add parameter to run attach --auto

Add parameter to provisioning templates to run attach --auto after registering

Fixes #32458 - Disable katello agent install by default when provisioning

Fixes #30647 - Parameterize redhat_register install parameters for kt_activation_keys

Parameterize redhat_install_host_tools and redhat_install_host_tracer_tools.

Fixes #30738 - Configure katello-agent with act key

When kt_activation_keys parameter is present for host,
katello-agent is always installed. Because goferless setup
is recommended, it would be good to have an easy way
how not to install the agent even though the param...

Fixes #30415 - use only repos managed by sub-man (#7823)

templates - sync from community-templates

templates - sync from community-templates

Fixes #26590 - Rename template snippets

Rename provisioning template snippets to not start with '_' as rails
template partials. This will match better, what we see in
community-templates, and will allow to do a directory comparison via diff.

Script used:...