Revisit MHC for remediating machines

[Amulyam24]

/kind bug
/area provider/ibmcloud

What steps did you take and what happened:
While testing the cloud-provider template to be used in PowerVS CI, it has been noticed upon using MachineHealthCheck remediation is failing and the machines are being deleted once they are up and running. Revisit them and add it accordingly.

I0628 12:19:56.515707       1 recorder.go:104] "Machine default/amulya-capi-test-mhc-md/amulya-capi-test-md-0-b5c58-l6rcg/amulya-capi-test-md-0-b5c58-l6rcg has been marked as unhealthy" logger="events" type="Normal" object={"kind":"Machine","namespace":"default","name":"amulya-capi-test-md-0-b5c58-l6rcg","uid":"10225910-5706-47e0-ad62-1184e8d60b6b","apiVersion":"cluster.x-k8s.io/v1beta1","resourceVersion":"369728"} reason="MachineMarkedUnhealthy"
I0628 12:19:56.530647       1 machinehealthcheck_controller.go:435] "Target has failed health check, marking for remediation" controller="machinehealthcheck" controllerGroup="cluster.x-k8s.io" controllerKind="MachineHealthCheck" MachineHealthCheck="default/amulya-capi-test-mhc-md" namespace="default" name="amulya-capi-test-mhc-md" reconcileID="09ba737c-beca-4564-be32-4df509188210" Cluster="default/amulya-capi-test" target="default/amulya-capi-test-mhc-md/amulya-capi-test-md-0-b5c58-l6rcg/amulya-capi-test-md-0-b5c58-l6rcg" reason="UnhealthyNode" message="Condition Ready on node is reporting status False for more than 1m0s"

What did you expect to happen:
Machines to not be deleted even while passing the remediation check.

Anything else you would like to add:
[Miscellaneous information that will assist in solving the issue.]

Environment:

• Cluster-api version:
• Minikube/KIND version:
• Kubernetes version: (use kubectl version):
• OS (e.g. from /etc/os-release):

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[k8s-triage-robot]

The Kubernetes project currently lacks enough active contributors to adequately respond to all issues.

This bot triages un-triaged issues according to the following rules:

• After 90d of inactivity, lifecycle/stale is applied
• After 30d of inactivity since lifecycle/stale was applied, lifecycle/rotten is applied
• After 30d of inactivity since lifecycle/rotten was applied, the issue is closed

You can:

• Mark this issue as fresh with /remove-lifecycle rotten
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/lifecycle rotten