RFR: 8343173: Remove ZGC-specific non-JVMCI test groups [v2]

[Leonid Mesnik]

> The JVMCI should be supported by all GCs and specific
> hotspot_compiler_all_gcs
> group is not needed anymore.
> 
> There are few failures of JVMCI tests with ZGC happened, the bug 
> https://bugs.openjdk.org/browse/JDK-8343233
> is filed and corresponding tests are problemlisted.

Leonid Mesnik has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains three commits:

 - typo fixed
 - Merge branch 'master' of https://github.com/openjdk/jdk into 8343173
 - 8343173: Remove ZGC-specific non-JVMCI test groups

-------------

Changes: https://git.openjdk.org/jdk/pull/21774/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21774&range=01
  Stats: 12 lines in 2 files changed: 8 ins; 4 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/21774.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21774/head:pull/21774

PR: https://git.openjdk.org/jdk/pull/21774