RFR: 8290468: Remove gc/gctests/mallocWithGC tests

[Kim Barrett]

On Tue, 19 Jul 2022 20:44:12 GMT, Leonid Mesnik <lmesnik at openjdk.org> wrote:

> The gc/gctests/mallocWithGC tests test interaction of GC with malloc/free.
> They are duplicates of vmTestbase/gc/lock/malloc/ tests. 
> Not sure that even vmTestbase/gc/lock/malloc/ are needed. GC do nothing with malloc/free and it doesn't make sense to test their interaction.

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR: https://git.openjdk.org/jdk/pull/9563