RFR: 8290468: Remove gc/gctests/mallocWithGC tests

Tue Jul 19 20:53:19 UTC 2022

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.

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Commit messages:
 - 8290468: Remove gc/gctests/mallocWithGC tests

Changes: https://git.openjdk.org/jdk/pull/9563/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=9563&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8290468
  Stats: 540 lines in 7 files changed: 0 ins; 540 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/9563.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/9563/head:pull/9563

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