RFR: 8340623: remove outdated PROCESSOR_ARCHITECTURE_IA64 from Windows coding

[David Holmes]

On Mon, 23 Sep 2024 08:05:55 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> We still check for PROCESSOR_ARCHITECTURE_IA64 but this is not supported any more for a very long time in OpenJDK.

Seems fine.

I thought we had eradicated ia64 from the codebase but it seems we missed a few things in hotspot too. :( I will file an issue to clean that up ...

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

Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21130#pullrequestreview-2321618174