Fix redirect links in _posts/2019-04-12-Raise_some_horns_Red_Hat_s_MetalKube_aims_to_make_Kubernetes_on_bare_machines_simple.md

[tuminoid]

The link checker found URLs that redirect to new locations. These should be updated to point directly to the correct URLs:

Current URL	Redirects To
https://www.theregister.co.uk/2019/04/05/red_hat_metalkubel/	https://www.theregister.com/2019/04/05/red_hat_metalkubel/
https://www.theregister.co.uk/Author/Max-Smolaks	https://www.theregister.com/Author/Max-Smolaks

Related to #588

/triage accepted
/help
/good-first-issue

[metal3-io-bot]

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Details

In response to this:

The link checker found URLs that redirect to new locations. These should be updated to point directly to the correct URLs:

Current URL	Redirects To
https://www.theregister.co.uk/2019/04/05/red_hat_metalkubel/	https://www.theregister.com/2019/04/05/red_hat_metalkubel/
https://www.theregister.co.uk/Author/Max-Smolaks	https://www.theregister.com/Author/Max-Smolaks

Related to #588

/triage accepted
/help
/good-first-issue

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[Arnavpk]

Hi 👋
I can take this issue and update the redirected URLs to point directly to the correct locations.
Please let me know if that works. Thanks!