RFR: 8359664: G1: Remove default arg for pretouch_workers of G1CollectedHeap::expand

[Thomas Schatzl]

On Mon, 16 Jun 2025 10:20:48 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Trivial removing unnecessary default arg value.

Trivial.

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Marked as reviewed by tschatzl (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25826#pullrequestreview-2931988369