RFR: 8266519: Cleanup resolve() leftovers from BarrierSet et al

[Roman Kennke]

On Tue, 4 May 2021 16:38:30 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> Shenandoah used to require a way to resolve oops, but it's long unused the the corresponding code in the access machinery is obsolete. Let's remove it.
> 
> Testing:
>  - [x] hotspot_gc_shenandoah
>  - [x] tier1
>  - [x] tier2

Ping? Any takers?

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PR: https://git.openjdk.java.net/jdk/pull/3862