RFR: Complete some todos in VMOptions

[Aleksey Shipilev]

On Mon, 20 Jun 2022 02:09:29 GMT, Steafan Chou <duke at openjdk.org> wrote:

> Complete some todos in VMOptions

This PR contains unrelated cleanup changes, please revert them. I think your branch is basically behind the upstream master. Please use "feature branches", avoid committing to maser of your fork, as it makes PRs harder to make out.

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Changes requested by shade (Committer).

PR: https://git.openjdk.org/jol/pull/27