[devhelp/wip/swilmet/misc-improvements] book-tree: remove useless #includes

[Sébastien Wilmet <swilmet src gnome org>]

commit aa205abf47b04e7f8a20e97321aa2a814f6f6e37
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Sun May 24 14:48:41 2015 +0200

    book-tree: remove useless #includes

 src/dh-book-tree.c |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/src/dh-book-tree.c b/src/dh-book-tree.c
index a96a9af..4423396 100644
--- a/src/dh-book-tree.c
+++ b/src/dh-book-tree.c
@@ -21,11 +21,6 @@
 
 #include "config.h"
 #include "dh-book-tree.h"
-
-#include <string.h>
-#include <gdk/gdkkeysyms.h>
-#include <gtk/gtk.h>
-
 #include "dh-book.h"
 
 typedef struct {