[gtk+] image: Remove mention on gdk-pixbuf-csource

[Timm Bäder <baedert src gnome org>]

commit 02a526c04a819683b41f011e2702d94e2665ffc3
Author: Timm Bäder <mail baedert org>
Date:   Fri Oct 6 10:40:23 2017 +0200

    image: Remove mention on gdk-pixbuf-csource
    
    gdk-pixbuf-csource as well as gdk_pixbuf_new_from_inline are deprecated.
    Mention GResource instead.

 gtk/gtkimage.c |    8 +++-----
 1 files changed, 3 insertions(+), 5 deletions(-)
---
diff --git a/gtk/gtkimage.c b/gtk/gtkimage.c
index 4cce1e6..245d636 100644
--- a/gtk/gtkimage.c
+++ b/gtk/gtkimage.c
@@ -65,11 +65,9 @@
  * display an animation (#GdkPixbufAnimation) instead of a static image.
  *
  * Sometimes an application will want to avoid depending on external data
- * files, such as image files. GTK+ comes with a program to avoid this,
- * called “gdk-pixbuf-csource”. This library
- * allows you to convert an image into a C variable declaration, which
- * can then be loaded into a #GdkPixbuf using
- * gdk_pixbuf_new_from_inline().
+ * files, such as image files. See the documentation of #GResource for details.
+ * In this case, the #GtkImage:resource, gtk_image_new_from_resource() and
+ * gtk_image_set_from_resource() should be used.
  *
  * # CSS nodes
  *