RFR: 8275662: remove test/lib/sun/hotspot

[Coleen Phillimore]

On Fri, 8 Jul 2022 19:46:17 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> This change removes the last remnants of sun/hotspot/WhiteBox.java and other classes, and uses the versions in jdk/test/whitebox.
> I used sed to change sun.hotspot.{gc,code,cpuinfo} to jdk.test.whitebox and deleted the old files and some references to sun.hotspot.
> Tested with tier1-4.

Thanks Serguei and Leonid.

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PR: https://git.openjdk.org/jdk/pull/9434