hg: shenandoah/jdk: Minor cleanup of Shenandoah SA

[zgu at redhat.com]

Changeset: c51f685919eb
Author:    zgu
Date:      2018-11-26 11:21 -0500
URL:       http://hg.openjdk.java.net/shenandoah/jdk/rev/c51f685919eb

Minor cleanup of Shenandoah SA

! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shared/CollectedHeapName.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shenandoah/ShenandoahHeap.java
! src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/gc/shenandoah/ShenandoahHeapRegion.java