RFR: 8287810: Reduce runtime of java.lang microbenchmarks

[Mandy Chung]

On Fri, 3 Jun 2022 15:05:33 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> - Reduce runtime by providing explicit configurations that try to run the micros as fast as possible while giving enough time for warmup.
> - Remove some excessive parameters
> - Remove some benchmarks testing experimental features (ObjectHashCode.mode_<non-default>) or were simply dubious at large (StringHttp)
> 
> This reduces runtime of running `java.lang.[A-Z]` (only java.lang, not java.lang.reflect etc..) from over 56 hours to 6:45.

Marked as reviewed by mchung (Reviewer).

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PR: https://git.openjdk.java.net/jdk/pull/9015