hg: shenandoah/jdk10/hotspot: Cleanup unused methods and statements

[ashipile at redhat.com]

Changeset: e51b8ea37475
Author:    shade
Date:      2017-08-07 18:15 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk10/hotspot/rev/e51b8ea37475

Cleanup unused methods and statements

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahPartialGC.cpp