RFR: 8355962: RISCV64 cross build fails after 8354996

[Erik Joelsson]

On Fri, 2 May 2025 19:14:27 GMT, Chen Liang <liach at openjdk.org> wrote:

> Roll back the HelloClasslist downcall generation that caused cross build failures for riscv64 and aarch64 from x86-64.
> 
> Testing: riscv64 cross build

Marked as reviewed by erikj (Reviewer).

-------------

PR Review: https://git.openjdk.org/jdk/pull/25013#pullrequestreview-2812795358