RFR: 8353324: Clean up of comments and import after 8319192

Tue Apr 1 02:43:19 UTC 2025

On Mon, 31 Mar 2025 22:56:14 GMT, Phil Race <prr at openjdk.org> wrote:

> Somehow I did not commit these changes when fixing JDK-8319192

Confirmed that the code changes do not require importing URLClassLoader. Looks straightforward and safe to me.

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Marked as reviewed by dnguyen (Committer).

PR Review: https://git.openjdk.org/jdk/pull/24339#pullrequestreview-2730944649