RFR: 8355577: Remove old sparc remnants in the hotspot linux code

[Zhengyu Gu]

On Fri, 25 Apr 2025 12:44:04 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> Linux SPARC support is long gone, but there are a few remnants of SPARC support in hotspot Linux coding. Remove them where it is beneficial to clean up.
> 
> I kept sparc in the shared lib handling code because this runs on other platforms too.

`arch_array` also contains SPARC specific definition, e.g. https://github.com/openjdk/jdk/blob/master/src/hotspot/os/linux/os_linux.cpp#L1754, you might want to remove them as  well.

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PR Comment: https://git.openjdk.org/jdk/pull/24873#issuecomment-2831743030