[lworld] RFR: 8326719: [lworld] Migrate core-libs support to JEP 401 (part 1)

[David Simms]

On Tue, 27 Feb 2024 00:21:27 GMT, Mandy Chung <mchung at openjdk.org> wrote:

> This patch includes:
> - Removal of support for secondary mirror
> - Removal of support for primitive classes
> - Removal of support for value factories 
> - Removal of the intrinsic methods `Class::asPrimitiveType` and `asValueType`
> 
> This patch includes a temporary fix of `Class::isValue` which will be replaced by #1019.

VM code removals look fine

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Marked as reviewed by dsimms (Committer).

PR Review: https://git.openjdk.org/valhalla/pull/1020#pullrequestreview-1903311587