[gtk] types: Remove and unused typedef

[Benjamin Otte <otte src gnome org>]

commit c72c0f4d430b1e596f18497792be092fc875d22c
Author: Benjamin Otte <otte redhat com>
Date:   Thu Nov 21 15:39:48 2019 +0100

    types: Remove and unused typedef
    
    GtkRcPropertyParser is gone.

 gtk/gtktypes.h | 4 ----
 1 file changed, 4 deletions(-)
---
diff --git a/gtk/gtktypes.h b/gtk/gtktypes.h
index 2798bd1b02..f11d389380 100644
--- a/gtk/gtktypes.h
+++ b/gtk/gtktypes.h
@@ -52,10 +52,6 @@ typedef struct _GtkWidgetPath          GtkWidgetPath;
 typedef struct _GtkWindow              GtkWindow;
 
 
-typedef gboolean (*GtkRcPropertyParser) (const GParamSpec *pspec,
-                                         const GString    *rc_string,
-                                         GValue           *property_value);
-
 typedef void (*GtkBuilderConnectFunc) (GtkBuilder    *builder,
                                       GObject       *object,
                                       const gchar   *signal_name,