[gtk/matthiasc/for-master] Drop GtkFileChooserEmbed

[Matthias Clasen <matthiasc src gnome org>]

commit 52008769655634c8681f28fef4fd92141d817ad9
Author: Matthias Clasen <mclasen redhat com>
Date:   Sun Jul 12 10:35:43 2020 -0400

    Drop GtkFileChooserEmbed
    
    This private interface is no longer used.

 gtk/gtkfilechooserembed.c | 152 ----------------------------------------------
 gtk/gtkfilechooserembed.h |  61 -------------------
 gtk/meson.build           |   1 -
 3 files changed, 214 deletions(-)
---
diff --git a/gtk/meson.build b/gtk/meson.build
index 02ba60a842..35cf95b43f 100644
--- a/gtk/meson.build
+++ b/gtk/meson.build
@@ -100,7 +100,6 @@ gtk_private_sources = files([
   'gtkcssvalue.c',
   'gtkcsswidgetnode.c',
   'gtkdrop.c',
-  'gtkfilechooserembed.c',
   'gtkfilechooserentry.c',
   'gtkfilechoosererrorstack.c',
   'gtkfilechoosernativeportal.c',