RFR: 8329775: Serial: Remove unused declarations in serialFullGC.hpp [v2]

[Ivan Walulya]

On Fri, 5 Apr 2024 17:03:32 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Trivial removing dead code.
>
> Albert Mingkun Yang has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains one commit:
> 
>   trivial

Trivial!

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Marked as reviewed by iwalulya (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/18655#pullrequestreview-1986838478