Fix logical error when checking for boostrap-os

[VannTen]

What type of PR is this?
/kind bug

What this PR does / why we need it:

Fix logical error when checking for the presence of the 'bootstrap-os' role in the play.
-> was introduced in #10590
Also remove some clutter along the way.

Which issue(s) this PR fixes:

Fixes #10825

Special notes for your reviewer:

Does this PR introduce a user-facing change?:

Fix logical error when checking for boostrap-os

[dibi-codes]

I ran into this issue where bootstrap-os did not run with 1.24. This PR does fix the problem.

[VannTen]

/cc @MrFreezeex

[MrFreezeex]

Thanks!
/lgtm

[VannTen]

/assign @mzaian
(for approval)

[floryut]

@VannTen lgtm thanks

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: floryut, MrFreezeex, VannTen

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[MathiasRudolphSec]

There is a typo or a missing entry in the intersection check for the bootstrap-os role.
I have kubespray installed via ansible-galaxy and in my environment the role is called kubernetes_sigs.kubespray.bootstrap-os. The check is for kubernetes-sigs.kubespray.bootstrap-os (_ vs. -).