[gtk+] Drop deprecated gdk_display_get_screen

[Matthias Clasen <matthiasc src gnome org>]

commit 5cb3fc4c4f2e829a81fd68b175a0d073f21355a0
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Oct 25 15:35:44 2016 -0400

    Drop deprecated gdk_display_get_screen

 docs/reference/gdk/gdk4-sections.txt |    1 -
 gdk/gdkdisplay.c                     |   22 ----------------------
 gdk/gdkdisplay.h                     |    3 ---
 3 files changed, 0 insertions(+), 26 deletions(-)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index 8a72583..c1d3e7d 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -100,7 +100,6 @@ GdkDisplay
 gdk_display_open
 gdk_display_get_default
 gdk_display_get_name
-gdk_display_get_screen
 gdk_display_get_default_screen
 gdk_display_get_device_manager
 gdk_display_pointer_ungrab
diff --git a/gdk/gdkdisplay.c b/gdk/gdkdisplay.c
index 539304b..625804b 100644
--- a/gdk/gdkdisplay.c
+++ b/gdk/gdkdisplay.c
@@ -1520,28 +1520,6 @@ gdk_display_get_name (GdkDisplay *display)
 }
 
 /**
- * gdk_display_get_screen:
- * @display: a #GdkDisplay
- * @screen_num: the screen number
- *
- * Returns a screen object for one of the screens of the display.
- *
- * Returns: (transfer none): the #GdkScreen object
- *
- * Since: 2.2
- * Deprecated: 3.20: There is only one screen; use gdk_display_get_default_screen() to get it.
- */
-GdkScreen *
-gdk_display_get_screen (GdkDisplay *display,
-                       gint        screen_num)
-{
-  g_return_val_if_fail (GDK_IS_DISPLAY (display), NULL);
-  g_return_val_if_fail (screen_num == 0, NULL);
-
-  return gdk_display_get_default_screen (display);
-}
-
-/**
  * gdk_display_get_default_screen:
  * @display: a #GdkDisplay
  *
diff --git a/gdk/gdkdisplay.h b/gdk/gdkdisplay.h
index 75e9845..4a7ca18 100644
--- a/gdk/gdkdisplay.h
+++ b/gdk/gdkdisplay.h
@@ -50,9 +50,6 @@ GdkDisplay *gdk_display_open                (const gchar *display_name);
 GDK_AVAILABLE_IN_ALL
 const gchar * gdk_display_get_name         (GdkDisplay *display);
 
-GDK_DEPRECATED_IN_3_20
-GdkScreen * gdk_display_get_screen         (GdkDisplay  *display,
-                                            gint         screen_num);
 GDK_AVAILABLE_IN_ALL
 GdkScreen * gdk_display_get_default_screen (GdkDisplay  *display);