RFR: 8316357: Serial: Remove unused GenCollectedHeap::space_containing

[Albert Mingkun Yang]

On Fri, 15 Sep 2023 11:52:48 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/15760#issuecomment-1723228990