RFR: 8339346: GenShen: Remove even more stale TODOs

[William Kemper]

On Tue, 3 Sep 2024 23:15:53 GMT, Y. Srinivas Ramakrishna <ysr at openjdk.org> wrote:

>> src/hotspot/share/gc/shenandoah/shenandoahScanRemembered.hpp line 785:
>> 
>>> 783:   void mark_range_as_dirty(size_t card_index, size_t num_cards);
>>> 784:   void mark_card_as_clean(size_t card_index);
>>> 785:   void mark_range_as_clean(size_t card_index, size_t num_cards);
>> 
>> Are these being removed because the "card_index" arg versions are never used, only the "heapword*" arg versions?
>
> Can the "TODO:" at line 748 (old line 761) also be removed, or is there a good reason to keep it for now?

Yes, these aren't used. I'm removing that TODO in the next batch after I remove the last of the unused methods.

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PR Review Comment: https://git.openjdk.org/shenandoah/pull/491#discussion_r1742825809