[gtk+] Drop GdkScreen from the docs

[Matthias Clasen <matthiasc src gnome org>]

commit ee728608046852f7986dc843f93997ffbc4f1093
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Nov 1 20:59:54 2017 -0400

    Drop GdkScreen from the docs
    
    It is no longer part of the api.

 docs/reference/gdk/gdk4-sections.txt |   19 -------------------
 1 files changed, 0 insertions(+), 19 deletions(-)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index 266a2bb..76e35ce 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -167,24 +167,6 @@ gdk_display_manager_get_type
 </SECTION>
 
 <SECTION>
-<FILE>gdkscreen</FILE>
-<TITLE>GdkScreen</TITLE>
-GdkScreen
-gdk_screen_get_display
-
-<SUBSECTION Standard>
-GDK_SCREEN
-GDK_IS_SCREEN
-GDK_TYPE_SCREEN
-GDK_SCREEN_CLASS
-GDK_IS_SCREEN_CLASS
-GDK_SCREEN_GET_CLASS
-<SUBSECTION Private>
-GdkScreenClass
-gdk_screen_get_type
-</SECTION>
-
-<SECTION>
 <TITLE>Pixbufs</TITLE>
 <FILE>pixbufs</FILE>
 gdk_pixbuf_get_from_surface
@@ -229,7 +211,6 @@ gdk_window_new_child
 gdk_window_destroy
 gdk_window_get_window_type
 gdk_window_get_display
-gdk_window_get_screen
 gdk_window_show
 gdk_window_show_unraised
 gdk_window_hide