.. to match behavior. According to the old signatures, the functions
returned bool (they actually returned CompilationJob::Status). This only
worked because return values are unused. Change to void return type
instead.

Drive-by: Code reuse in FinalizeMaglevCompilationJob.

Bug: v8:7700
Change-Id: I45f75121c230063dec96a5197cc9fdc3b64aae6f
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3822683Reviewed-by: Victor Gomes <victorgomes@chromium.org>
Commit-Queue: Jakob Linke <jgruber@chromium.org>
Cr-Commit-Position: refs/heads/main@{#82373}