[gimp] po: update POTFILES.in

[Ell <ell src gnome org>]

commit e8de6322fa4bac6a74868af107bf501a332c71ff
Author: Ell <ell_se yahoo com>
Date:   Thu May 31 00:21:49 2018 -0400

    po: update POTFILES.in

 po/POTFILES.in | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/po/POTFILES.in b/po/POTFILES.in
index 35e9be4246..e369efccee 100644
--- a/po/POTFILES.in
+++ b/po/POTFILES.in
@@ -552,7 +552,6 @@ app/widgets/gimpgrideditor.c
 app/widgets/gimphelp.c
 app/widgets/gimphistogrameditor.c
 app/widgets/gimpiconpicker.c
-app/widgets/gimpiconsizescale.c
 app/widgets/gimpimagecommenteditor.c
 app/widgets/gimpimageprofileview.c
 app/widgets/gimpimagepropview.c