[gnome-desktop] thumbnail: Remove unused constant

[Bastien Nocera <hadess src gnome org>]

commit dba6d955e6b60e568a455db8a74f998449a18c18
Author: Bastien Nocera <hadess hadess net>
Date:   Mon Dec 12 14:29:51 2016 +0100

    thumbnail: Remove unused constant
    
    https://bugzilla.gnome.org/show_bug.cgi?id=768064

 libgnome-desktop/gnome-thumbnail-pixbuf-utils.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/libgnome-desktop/gnome-thumbnail-pixbuf-utils.c b/libgnome-desktop/gnome-thumbnail-pixbuf-utils.c
index 0fff3ea..f704bb6 100644
--- a/libgnome-desktop/gnome-thumbnail-pixbuf-utils.c
+++ b/libgnome-desktop/gnome-thumbnail-pixbuf-utils.c
@@ -32,8 +32,6 @@
 #define GNOME_DESKTOP_USE_UNSTABLE_API
 #include "gnome-desktop-thumbnail.h"
 
-#define LOAD_BUFFER_SIZE 65536
-
 /**
  * gnome_desktop_thumbnail_scale_down_pixbuf:
  * @pixbuf: a #GdkPixbuf