hg: shenandoah/jdk8u/hotspot: Cleanup undeclared methods in barrier stubs

[shade at redhat.com]

Changeset: 3982f4e7517b
Author:    shade
Date:      2018-08-23 11:33 +0200
URL:       http://hg.openjdk.java.net/shenandoah/jdk8u/hotspot/rev/3982f4e7517b

Cleanup undeclared methods in barrier stubs

! src/cpu/sparc/vm/shenandoahBarrierSet_sparc.cpp
! src/cpu/zero/vm/shenandoahBarrierSet_zero.cpp