hg: jdk9/sandbox/jdk: 8170884: Clean up post-jlink file copying to the images

[chris.hegarty at oracle.com]

Changeset: 0ed8755f5b7f
Author:    ihse
Date:      2017-03-09 09:14 +0100
URL:       http://hg.openjdk.java.net/jdk9/sandbox/jdk/rev/0ed8755f5b7f

8170884: Clean up post-jlink file copying to the images
Reviewed-by: erikj

! make/copy/Copy-java.base.gmk