Nuke the 'Types' section from the docs

docs/reference/gtk/gtk3-sections.txt

@@ -5147,9 +5147,12 @@ gtk_device_grab_add
 gtk_device_grab_remove
 
 <SUBSECTION>
+GtkFunction
 gtk_init_add
 gtk_quit_add_destroy
 gtk_quit_add
+GtkCallbackMarshal
+GtkArg
 gtk_quit_add_full
 gtk_quit_remove
 gtk_quit_remove_by_data
@@ -5454,17 +5457,6 @@ gtk_drag_source_add_image_targets
 gtk_drag_source_add_uri_targets
 </SECTION>
 
-<SECTION>
-<FILE>gtktypeutils</FILE>
-<TITLE>Types</TITLE>
-GtkFunction
-GtkCallbackMarshal
-GtkArg
-<SUBSECTION Private>
-GTK_TYPE_IDENTIFIER
-gtk_identifier_get_type
-</SECTION>
-
 <SECTION>
 <FILE>gtkbindings</FILE>
 <TITLE>Bindings</TITLE>

gtk/gtktypeutils.c

@@ -32,15 +32,6 @@
 #include "gtkintl.h"
 
 
-/**
- * SECTION:gtktypeutils
- * @Short_description: Handle run-time type creation
- * @Title: Types
- *
- * The GTK+ type system is extensible.  Because of that, types have to be
- * managed at runtime.
- */
-
 
 GType
 gtk_identifier_get_type (void)