[gtk+] docs: Drop some no longer existing functions

[Matthias Clasen <matthiasc src gnome org>]

commit 4ab15a8292a7b2901654b87cc473d00807b9f7cd
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon Dec 4 20:38:04 2017 -0800

    docs: Drop some no longer existing functions

 docs/reference/gdk/gdk4-sections.txt |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/docs/reference/gdk/gdk4-sections.txt b/docs/reference/gdk/gdk4-sections.txt
index dccf648..7374259 100644
--- a/docs/reference/gdk/gdk4-sections.txt
+++ b/docs/reference/gdk/gdk4-sections.txt
@@ -846,7 +846,6 @@ GdkDragCancelReason
 gdk_drag_get_selection
 gdk_drop_reply
 gdk_drag_drop_done
-gdk_drag_find_window
 gdk_drag_begin
 gdk_drag_begin_for_device
 gdk_drag_begin_from_point
@@ -855,7 +854,6 @@ GdkDragProtocol
 GdkDragAction
 gdk_drag_status
 gdk_drag_drop_succeeded
-gdk_window_get_drag_protocol
 
 gdk_drag_context_get_actions
 gdk_drag_context_get_suggested_action
@@ -865,7 +863,6 @@ gdk_drag_context_get_device
 gdk_drag_context_set_device
 gdk_drag_context_get_source_window
 gdk_drag_context_get_dest_window
-gdk_drag_context_get_protocol
 gdk_drag_context_get_drag_window
 gdk_drag_context_set_hotspot
 gdk_drag_context_manage_dnd
@@ -1116,7 +1113,6 @@ gdk_wayland_window_get_type
 <TITLE>Application launching</TITLE>
 <FILE>gdkapplaunchcontext</FILE>
 GdkAppLaunchContext
-gdk_app_launch_context_set_screen
 gdk_app_launch_context_set_desktop
 gdk_app_launch_context_set_timestamp
 gdk_app_launch_context_set_icon