RFR: 8342561: Metaspace for generated reflection classes is no longer needed

[Thomas Stuefe]

On Mon, 28 Oct 2024 12:04:10 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

> Removed code and test for the special metaspace size for reflection DelegatingClassLoader which only had one class.  Now that it's gone, we don't need the special size.  I changed some of the test cases to use ClassMirrorHolderMetaspaceType as a smaller alternate type instead and the tests seem fine with that.
> Tested with tier1-4

Good.

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Marked as reviewed by stuefe (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/21738#pullrequestreview-2398995119