RFR: 8331118: Remove Serial includes from space.hpp

[Albert Mingkun Yang]

On Thu, 25 Apr 2024 09:52:29 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Remove Serial-specific logic from the `shared` folder.

Thanks for review.

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PR Comment: https://git.openjdk.org/jdk/pull/18947#issuecomment-2082170088