RFR: JDK-8280019: Remove unused code from metaspace

[Thomas Stuefe]

On Fri, 14 Jan 2022 14:02:25 GMT, Thomas Stuefe <stuefe at openjdk.org> wrote:

> Sonarcloud-inspired code grooming. Trivial removal of unused code in metaspace.

> Change looks good but was any testing done for this change? Thanks, Harold

Hi Harold,

well, I manually built several configurations (x64, x86, release, fastdebug) and ran gtests. Beyond that, I would not have thought tests to be necessary since the removed coding was never used.

I also know this coding quite well since all I added it for JEP 387, so I am confident nothing vital was cut.

In GHAs, I see one failure on x86 where we crash in jdk/javadoc/doclet/testLinkPlatform/TestLinkPlatform.java 
 with "Overflow during reference processing", but that is unrelated to my change and also happens to others, see e.g. https://github.com/openjdk/jdk/pull/7059.

Thanks, Thomas

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PR: https://git.openjdk.java.net/jdk/pull/7085