git: openjdk/jdk: 8326722: Cleanup unnecessary forward declaration in collectedHeap.hpp

[Zhengyu Gu]

Changeset: 4fcae1ae
Author:    Zhengyu Gu <zgu at openjdk.org>
Date:      2024-02-27 15:09:56 +0000
URL:       https://git.openjdk.org/jdk/commit/4fcae1aef52c7e5b8a76e07adcb2a3dbc5bb215d

8326722: Cleanup unnecessary forward declaration in collectedHeap.hpp

Reviewed-by: tschatzl

! src/hotspot/share/gc/shared/collectedHeap.hpp