[gtk] Remove last GtkWidgetPath reference

[Rico Tzschichholz <ricotz src gnome org>]

commit 4ab12ab755a9d643f13e0e80d69c55ba3283705f
Author: Rico Tzschichholz <ricotz ubuntu com>
Date:   Mon Feb 3 10:51:50 2020 +0100

    Remove last GtkWidgetPath reference
    
    See 49b47c913389dc395a48c2b19ac409412623c524

 gtk/gtktypes.h | 1 -
 1 file changed, 1 deletion(-)
---
diff --git a/gtk/gtktypes.h b/gtk/gtktypes.h
index 49558bddea..5b7f6686aa 100644
--- a/gtk/gtktypes.h
+++ b/gtk/gtktypes.h
@@ -49,7 +49,6 @@ typedef GdkSnapshot                    GtkSnapshot;
 typedef struct _GtkStyleContext        GtkStyleContext;
 typedef struct _GtkTooltip             GtkTooltip;
 typedef struct _GtkWidget              GtkWidget;
-typedef struct _GtkWidgetPath          GtkWidgetPath;
 typedef struct _GtkWindow              GtkWindow;
 
 /**