RFR: 8341692: Implement JEP 490: ZGC: Remove the Non-Generational Mode [v4]

[Axel Boldt-Christmas]

> This is the implementation task for `JEP 490: ZGC: Remove the Non-Generational Mode`. See the JEP for details. [JDK-8335850](https://bugs.openjdk.org/browse/JDK-8335850)

Axel Boldt-Christmas has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 13 commits:

 - Merge tag 'jdk-24+20' into JDK-8341692
   
   Added tag jdk-24+20 for changeset 7a64fbbb
 - Merge tag 'jdk-24+19' into JDK-8341692
   
   Added tag jdk-24+19 for changeset e7c5bf45
 - LargeWindowPaintTest.java fix id typo
 - Fix problem-listed @requires typo
 - Fix @requires !vm.gc.Z, must use vm.gc != "Z"
 - Reorder z_globals options: product > diagnostic product > develop
 - Consistent albite special code style
 - Consistent order between ZArguments and GCArguments
 - Remove XCollectedHeap from HSDB
 - Fix typo in TestZUncommitEvent.java
 - ... and 3 more: https://git.openjdk.org/jdk/compare/7a64fbbb...76c5d0c6

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Changes: https://git.openjdk.org/jdk/pull/21401/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=21401&range=03
  Stats: 39433 lines in 406 files changed: 155 ins; 39008 del; 270 mod
  Patch: https://git.openjdk.org/jdk/pull/21401.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/21401/head:pull/21401

PR: https://git.openjdk.org/jdk/pull/21401