RFR: 8318489: Remove unused alignment_unit and alignment_offset

[Albert Mingkun Yang]

On Thu, 19 Oct 2023 08:53:59 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Trivial removing dead code.

Thanks for the review.

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PR Comment: https://git.openjdk.org/jdk/pull/16263#issuecomment-1772317078