Remove per-cloud /kbin/kubectl patches

...nthub-credentials-sync/_cronjobs/azure/kubectl-patch.yaml

...nthub-credentials-sync/_cronjobs/azure/kustomization.yaml

...hub-credentials-sync/_cronjobs/generic/kubectl-patch.yaml

...hub-credentials-sync/_cronjobs/generic/kustomization.yaml

...ations/eventhub-credentials-sync/azure/kubectl-patch.yaml

...ations/eventhub-credentials-sync/azure/kustomization.yaml

...ions/eventhub-credentials-sync/generic/kubectl-patch.yaml

...ions/eventhub-credentials-sync/generic/kustomization.yaml

...egistry-credentials-sync/_cronjobs/aws/kubectl-patch.yaml

...egistry-credentials-sync/_cronjobs/aws/kustomization.yaml

...istry-credentials-sync/_cronjobs/azure/kubectl-patch.yaml

...istry-credentials-sync/_cronjobs/azure/kustomization.yaml

...grations/registry-credentials-sync/aws/kubectl-patch.yaml

...grations/registry-credentials-sync/aws/kustomization.yaml

...ations/registry-credentials-sync/azure/kubectl-patch.yaml

...ations/registry-credentials-sync/azure/kustomization.yaml