RFR: 8251926: PPC: Remove an unused variable in assembler_ppc.cpp

[duke]

On Mon, 4 Nov 2024 12:17:34 GMT, Sorna Sarathi <duke at openjdk.org> wrote:

> This PR removes an unused variable from load_const_optimized function in assembler_ppc.cpp file.
> 
> JBS Issue: [JDK-8251926](https://bugs.openjdk.org/browse/JDK-8251926)

@Sorna-Sarathi 
Your change (at version 8e16c9eeae76e306490dbbe389e0c6ccba64f5b3) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/21874#issuecomment-2456310012