RFR: 8346830: Simplify adlc build config for aix

[Erik Joelsson]

On Tue, 21 Jan 2025 14:03:39 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

> In GensrcAdlc.gmk
> 
> This bit of code in GensrcAdlc.gmk is conditionalized on whether we're
> building with clang or not.
> 
> https://github.com/openjdk/jdk/blob/1a32654faf6f6f0256fd7f42e6351adf914d8337/make/hotspot/gensrc/GensrcAdlc.gmk#L39-L46
> 
> It can be simplified, since for aix we always build with clang now.

Marked as reviewed by erikj (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/23214#pullrequestreview-2564777648