RFR: 8308236: Remove SystemDictionaryShared::clone_dumptime_tables() [v3]

[Calvin Cheung]

On Wed, 17 May 2023 23:44:09 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> This function was necessary because we were patching the pointers inside `SystemDictionaryShared::_dumptime_table` when dumping the CDS archive. We no longer do that since [JDK-8307567](https://bugs.openjdk.org/browse/JDK-8307567), so this function and related code can be removed.
>
> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Removed unrelated change

Marked as reviewed by ccheung (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/14020#pullrequestreview-1431834930