RFR: Revert unnecessary changes to unified logging

Fri Jan 27 23:19:56 UTC 2023

On Fri, 27 Jan 2023 23:06:26 GMT, William Kemper <wkemper at openjdk.org> wrote:

> These are vestigial changes from the initial approach to support logging for the region sampling. This initial approach was abandoned and these changes should have been reverted at that time.

Marked as reviewed by kdnilsen (Committer).

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PR: https://git.openjdk.org/shenandoah/pull/207