RFR: 8298144: Remove Space::new_dcto_cl [v2]

[Albert Mingkun Yang]

On Tue, 6 Dec 2022 15:02:36 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Simple change of removing effectively unused code.
>> 
>> Test: hotspot_gc
>
> Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:
> 
>   review

Thanks for the review.

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PR: https://git.openjdk.org/jdk/pull/11527