[gtk+] Drop gdkscreen.h

[Matthias Clasen <matthiasc src gnome org>]

commit 6263286c4aee18d801c6d7a9c6cb86fb90c793d3
Author: Matthias Clasen <mclasen redhat com>
Date:   Fri Nov 17 13:54:04 2017 -0500

    Drop gdkscreen.h
    
    Nothing uses GdkScreen anymore, so we can get rid of it.

 gdk/gdkdisplay.c       |    1 -
 gdk/gdkscreen.c        |   57 ------------------------------------------------
 gdk/gdkscreen.h        |   45 -------------------------------------
 gdk/gdkscreenprivate.h |   45 -------------------------------------
 gdk/gdkwindow.c        |    1 -
 gdk/meson.build        |    1 -
 6 files changed, 0 insertions(+), 150 deletions(-)
---
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 5580c93..dfe9e3e 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -33,7 +33,6 @@
 #include "gdkwindowimpl.h"
 #include "gdkinternals.h"
 #include "gdkmarshalers.h"
-#include "gdkscreen.h"
 #include "gdkmonitorprivate.h"
 
 #include <math.h>
diff --git a/gdk/gdkwindow.c b/gdk/gdkwindow.c
index 810243f..148596b 100644
--- a/gdk/gdkwindow.c
+++ b/gdk/gdkwindow.c
@@ -32,7 +32,6 @@
 #include "gdkrectangle.h"
 #include "gdkinternals.h"
 #include "gdkintl.h"
-#include "gdkscreenprivate.h"
 #include "gdkdisplayprivate.h"
 #include "gdkdeviceprivate.h"
 #include "gdkmarshalers.h"
diff --git a/gdk/meson.build b/gdk/meson.build
index a0d3aa1..5b93ff8 100644
--- a/gdk/meson.build
+++ b/gdk/meson.build
@@ -27,7 +27,6 @@ gdk_public_sources = files([
   'gdkproperty.c',
   'gdkrectangle.c',
   'gdkrgba.c',
-  'gdkscreen.c',
   'gdkseat.c',
   'gdkseatdefault.c',
   'gdkselection.c',