[epiphany] Remove unnecessary gdkx includes

[Michael Catanzaro <mcatanzaro src gnome org>]

commit 06d03d72cec66577c0c29225eb21ece5db41a3c8
Author: Michael Catanzaro <mcatanzaro igalia com>
Date:   Fri May 18 12:49:05 2018 -0500

    Remove unnecessary gdkx includes

 src/ephy-shell.c  |    1 -
 src/ephy-window.c |    1 -
 2 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/src/ephy-shell.c b/src/ephy-shell.c
index d91fbcb..d3838dd 100644
--- a/src/ephy-shell.c
+++ b/src/ephy-shell.c
@@ -46,7 +46,6 @@
 #include "window-commands.h"
 
 #include <glib/gi18n.h>
-#include <gdk/gdkx.h>
 #include <gtk/gtk.h>
 
 struct _EphyShell {
diff --git a/src/ephy-window.c b/src/ephy-window.c
index 7868462..873dc6d 100644
--- a/src/ephy-window.c
+++ b/src/ephy-window.c
@@ -54,7 +54,6 @@
 #include "window-commands.h"
 
 #include <gdk/gdkkeysyms.h>
-#include <gdk/gdkx.h>
 #include <gio/gio.h>
 #include <glib/gi18n.h>
 #include <gtk/gtk.h>