Fix dead links at cap3-remidiation-controller.md

[ayushrakesh]

Fix dead links at specified file -> ./design/cluster-api-provider-metal3/capm3-remediation-controller-proposal.md

| [✖] https://cluster-api.sigs.k8s.io/tasks/healthcheck.html changed to https://cluster-api.sigs.k8s.io/tasks/automated-machine-management/healthchecking

| [✖] https://github.com/metal3-io/metal3-docs/blob/main/design/baremetal-operator/re-introspection-interface.md changed to https://github.com/metal3-io/metal3-docs/blob/main/design/baremetal-operator/inspection-api.md

Fixes #442

[metal3-io-bot]

Hi @ayushrakesh. Thanks for your PR.

I'm waiting for a metal3-io member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

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[dtantsur]

/approve /ok-to-test

[metal3-io-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: dtantsur

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Needs approval from an approver in each of these files: - ~~[design/OWNERS](https://github.com/metal3-io/metal3-docs/blob/main/design/OWNERS)~~ [dtantsur] Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[metal3-io-bot]

@tuminoid: adding LGTM is restricted to approvers and reviewers in OWNERS files.

In response to [this](https://github.com/metal3-io/metal3-docs/pull/452#pullrequestreview-2140663440): >/lgtm > >Thanks for the contribution! Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.

[tuminoid]

/cc @kashifest