RFR: 8365264: Rename ResourceHashtable to HashTable [v5]

[Ioi Lam]

On Wed, 13 Aug 2025 07:47:05 GMT, Johan Sjölen <jsjolen at openjdk.org> wrote:

>> Hi,
>> 
>> This PR renames `ResourceHashtable` to `HashTable`. The "resource" part of the name isn't true anymore, it does many types of allocations. The RHT should be HT to signify that it's the default choice of hashtable in Hotspot.
>> 
>> I didn't change any copyright years for this change.
>> 
>> Thanks
>
> Johan Sjölen has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Ioi's comments

LGTM

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Marked as reviewed by iklam (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26729#pullrequestreview-3116642805