Remove updating latest version in rollout latest in favor of instantiate

[mfojtik]

In 3.7 we want to nuke this: https://github.com/mfojtik/origin/blob/50c1aadf1fc9088a617899c4ad8fac1dee8fc484/pkg/cmd/cli/cmd/rollout/latest.go#L165

[0xmichalis]

Also

origin/pkg/deploy/registry/deployconfig/strategy.go

Lines 73 to 77 in bbb9647

	// oc deploy --latest from old clients
	// TODO: Remove once we drop support for older clients
	if newVersion == oldVersion+1 {
	newDc.Status.LatestVersion = newVersion
	}

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/lifecycle stale

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/lifecycle rotten
/remove-lifecycle stale

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