RFR: 8364570: Remove LockingMode related code from riscv64 [v2]

[Fredrik Bredberg]

On Thu, 7 Aug 2025 15:15:14 GMT, Feilong Jiang <fjiang at openjdk.org> wrote:

>> Fredrik Bredberg has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Update one after review
>
> src/hotspot/cpu/riscv/sharedRuntime_riscv.cpp line 1821:
> 
>> 1819:     __ ld(obj_reg, Address(oop_handle_reg, 0));
>> 1820: 
>> 1821:     Label done, not_recursive;
> 
> label `done` is not used either. We can just remove it.

Fixed

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PR Review Comment: https://git.openjdk.org/jdk/pull/26658#discussion_r2262501080