hg: shenandoah/jdk11: Clean up Shenandoah GC epilogue

[shade at redhat.com]

Changeset: 49946708c14b
Author:    shade
Date:      2019-08-12 21:11 +0200
URL:       https://hg.openjdk.java.net/shenandoah/jdk11/rev/49946708c14b

Clean up Shenandoah GC epilogue
Summary: JvmtiExport epilogue is not needed, see JDK-8225437, CodeCache epilogue should be in proper section

! src/hotspot/share/gc/shenandoah/shenandoahMarkCompact.cpp