[gtk+] tooltip: Remove some unused includes

[Timm Bäder <baedert src gnome org>]

commit 256bf3bf25eaf98bbb818007820e9e7db793d3b8
Author: Timm Bäder <mail baedert org>
Date:   Sat Jan 13 09:26:13 2018 +0100

    tooltip: Remove some unused includes

 gtk/gtktooltip.c |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/gtk/gtktooltip.c b/gtk/gtktooltip.c
index fb768f3..a75ce54 100644
--- a/gtk/gtktooltip.c
+++ b/gtk/gtktooltip.c
@@ -28,9 +28,6 @@
 #include "gtkintl.h"
 #include "gtkwindow.h"
 #include "gtkmain.h"
-#include "gtklabel.h"
-#include "gtkimage.h"
-#include "gtkbox.h"
 #include "gtksettings.h"
 #include "gtksizerequest.h"
 #include "gtkstylecontext.h"