[gimp] app: remove lingering old files of dead code

[Øyvind Kolås <ok src gnome org>]

commit 36ebe03770fd8b87102e95cd6c45b194a45a8ba3
Author: Øyvind Kolås <pippin gimp org>
Date:   Wed Jan 11 15:18:52 2017 +0100

    app: remove lingering old files of dead code

 app/operations/gimpoperationhardlightmode.c |  148 -----------------------
 app/operations/gimpoperationhardlightmode.h |   61 ----------
 app/operations/gimpoperationsoftlightmode.c |  169 ---------------------------
 app/operations/gimpoperationsoftlightmode.h |   61 ----------
 4 files changed, 0 insertions(+), 439 deletions(-)