git: openjdk/jdk: 8253928: G1: Remove G1ConcurrentMarkThread::set_in_progress declaration

[Thomas Schatzl]

Changeset: b8966e1f
Author:    Thomas Schatzl <tschatzl at openjdk.org>
Date:      2020-10-02 11:05:34 +0000
URL:       https://git.openjdk.java.net/jdk/commit/b8966e1f

8253928: G1: Remove G1ConcurrentMarkThread::set_in_progress declaration

Reviewed-by: ayang, shade

! src/hotspot/share/gc/g1/g1ConcurrentMarkThread.hpp