misc cleanup; deny reprovision tests on ppc64le/rawhide

[dustymabe]

commit 2456f0bc96cc3c2810ef72cf4f70433a22cdcf51
Author: Dusty Mabe <dusty@dustymabe.com>
Date:   Tue May 9 17:28:44 2023 -0400

    denylist: deny reprovision tests on ppc64le/rawhide
    
    They are failing right now. See
    https://github.com/coreos/fedora-coreos-tracker/issues/1489
    
    Note that we can't really deny these tests without hitting a bug
    (feature?) in that if all tests in a kola run are denylisted kola
    will exit with an error. Therefore we add the reprovision label to
    a random test (`ext.config.boot.grub2-install`) so we'll have at
    least one test run.

commit b8caf47438d423c09161d69d403d8fa4d69b1ec8
Author: Dusty Mabe <dusty@dustymabe.com>
Date:   Tue May 9 17:21:00 2023 -0400

    manifests: move systemd-repart to shared manifest
    
    sytemd-repart is in RHEL9 so let's start masking it and testing
    it in RHCOS like we do in FCOS.

commit e8ac8d38522606778fd0b62b78d71bc4234e4583
Author: Dusty Mabe <dusty@dustymabe.com>
Date:   Tue May 9 17:18:18 2023 -0400

    tests: use Fedora 38 container images

commit 1b2e76ec99d56a7e5edbbb13929f2ce3e0468138
Author: Dusty Mabe <dusty@dustymabe.com>
Date:   Tue May 9 17:11:26 2023 -0400

    drop fallback hostname handling
    
    This is dead code that hasn't been included since F36.

commit 22f2c7e1d4f526d16bf48724f35f5330a3f7a775
Author: Dusty Mabe <dusty@dustymabe.com>
Date:   Tue May 9 17:00:25 2023 -0400

    manifests/system-configuration: drop kdump ignition.firstboot workaround
    
    This has made it upstream and is in Fedora and RHEL9.

[marmijo]

LGTM