RFR: JDK-8327210: AIX: Delete obsolete parameter Use64KPagesThreshold

[Joachim Kern]

On Sat, 9 Mar 2024 20:12:16 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> @JoKern65 Please don't just remove the option, deprecate it. See comments in arguments.cpp about deprecation. The purpose of this is to give customers a time window within which the option will still be accepted, albeit ignored.

It is a developer option. Who is the customer interested in it despite IBM and us?
And if I add a line in arguments.cpp, should it like 
`{ "Use64KPagesThreshold",     JDK_Version::jdk(22), JDK_Version::jdk(23), JDK_Version::jdk(25) },`
or which versions should I use instead?

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

PR Comment: https://git.openjdk.org/jdk/pull/18171#issuecomment-1988022263