ghostscript-gpl: remove from portage-stable

Once ghostscript-gpl is copied to chromiumos-overlay, there is no need to keep
a duplicate copy in portage-stable.

BUG=chrome-os-partner:47758
TEST=`emerge-x86-generic ghostscript-gpl` can still find the ebuild

Change-Id: I7b1e7669460b0dba64742d6433a1fa41dce11b7f
Reviewed-on: https://chromium-review.googlesource.com/315154
Commit-Ready: Chuan-kai Lin <cklin@google.com>
Tested-by: Chuan-kai Lin <cklin@google.com>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
3 files changed