RFR: 8363229: Parallel: Remove develop flag GCExpandToAllocateDelayMillis

[Thomas Schatzl]

On Tue, 22 Jul 2025 10:09:24 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple removing a develop flag that is rarely (or even never) used.

Lgtm and trivial.

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Marked as reviewed by tschatzl (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26425#pullrequestreview-3042420982