[e2e test framework] replace fmt.Println with writes to ginko's writer

[chuckha]

Example: https://github.com/kubernetes-sigs/cluster-api/blob/master/test/framework/control_plane.go#L102

These existed to help debug. I'm not sure they're ever displayed though. Either they should be removed or replaced with a log to ginkgo's writer.

Part of this issue is figuring out if it's too noisy with those logging to ginkgo's writer or if these errors actually provide value.

/kind bug
/help
/milestone Next
/priority important-longterm

[k8s-ci-robot]

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In response to this:

Example: https://github.com/kubernetes-sigs/cluster-api/blob/master/test/framework/control_plane.go#L102

These existed to help debug. I'm not sure they're ever displayed though. Either they should be removed or replaced with a log to ginkgo's writer.

Part of this issue is figuring out if it's too noisy with those logging to ginkgo's writer or if these errors actually provide value.

/kind bug
/help
/milestone Next
/priority important-longterm

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