Remove deprecated Defaulter and Validator interfaces #2288
Description
/kind feature
/area provider/ibmcloud
User Story
What would you like to be added?
controller-runtime has removed the admission.Defaulter and admission.Validator interfaces as of v0.20.0 (kubernetes-sigs/controller-runtime#2877)
cluster-api v1.10 uses a version of controller-runtime that no longer has these present.
Example: "As a [developer/user/operator], I would like to [high-level description] for [reasons]."
Detailed Feature Description
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Context & Motivation
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Proposed Solution
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Alternatives Considered
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Additional Information
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