[gimp] app: remove some signal remnant from GimpImageClass.

[Jehan <jehanp src gnome org>]

commit 0530e26845e9205c3acbf18c51c33a864908befb
Author: Jehan <jehan girinstud io>
Date:   Thu Dec 23 19:11:38 2021 +0100

    app: remove some signal remnant from GimpImageClass.

 app/core/gimpimage.c | 1 -
 app/core/gimpimage.h | 1 -
 2 files changed, 2 deletions(-)
---
diff --git a/app/core/gimpimage.c b/app/core/gimpimage.c
index 76f87202b7..a270e6fdce 100644
--- a/app/core/gimpimage.c
+++ b/app/core/gimpimage.c
@@ -616,7 +616,6 @@ gimp_image_class_init (GimpImageClass *klass)
   klass->selected_layers_changed      = NULL;
   klass->selected_channels_changed    = NULL;
   klass->selected_vectors_changed     = NULL;
-  klass->linked_items_changed         = NULL;
   klass->component_visibility_changed = NULL;
   klass->component_active_changed     = NULL;
   klass->mask_changed                 = NULL;
diff --git a/app/core/gimpimage.h b/app/core/gimpimage.h
index 845e648db5..c6706bb4a9 100644
--- a/app/core/gimpimage.h
+++ b/app/core/gimpimage.h
@@ -57,7 +57,6 @@ struct _GimpImageClass
   void (* selected_channels_changed)    (GimpImage            *image);
   void (* selected_vectors_changed)     (GimpImage            *image);
   void (* selected_layers_changed)      (GimpImage            *image);
-  void (* linked_items_changed)         (GimpImage            *image);
   void (* component_visibility_changed) (GimpImage            *image,
                                          GimpChannelType       channel);
   void (* component_active_changed)     (GimpImage            *image,