[gnome-photos] print-setup: Use G_DECLARE_FINAL_TYPE

[Umang Jain <uajain src gnome org>]

commit c84e5ec191da0bf502fdf19b9ea664265c264ce0
Author: Umang Jain <mailumangjain gmail com>
Date:   Tue Sep 26 21:50:01 2017 +0530

    print-setup: Use G_DECLARE_FINAL_TYPE
    
    https://bugzilla.gnome.org/show_bug.cgi?id=763712

 src/photos-print-setup.c |    5 -----
 src/photos-print-setup.h |   14 +-------------
 2 files changed, 1 insertions(+), 18 deletions(-)
---
diff --git a/src/photos-print-setup.c b/src/photos-print-setup.c
index 5b7d102..a9fbff7 100644
--- a/src/photos-print-setup.c
+++ b/src/photos-print-setup.c
@@ -57,11 +57,6 @@ struct _PhotosPrintSetup
   GtkUnit current_unit;
 };
 
-struct _PhotosPrintSetupClass
-{
-  GtkGridClass parent_class;
-};
-
 enum
 {
   PROP_0,
diff --git a/src/photos-print-setup.h b/src/photos-print-setup.h
index 1ab74e6..5a7f251 100644
--- a/src/photos-print-setup.h
+++ b/src/photos-print-setup.h
@@ -32,19 +32,7 @@
 G_BEGIN_DECLS
 
 #define PHOTOS_TYPE_PRINT_SETUP (photos_print_setup_get_type ())
-
-#define PHOTOS_PRINT_SETUP(obj) \
-  (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
-   PHOTOS_TYPE_PRINT_SETUP, PhotosPrintSetup))
-
-#define PHOTOS_IS_PRINT_SETUP(obj) \
-  (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
-   PHOTOS_TYPE_PRINT_SETUP))
-
-typedef struct _PhotosPrintSetup      PhotosPrintSetup;
-typedef struct _PhotosPrintSetupClass PhotosPrintSetupClass;
-
-GType            photos_print_setup_get_type    (void) G_GNUC_CONST;
+G_DECLARE_FINAL_TYPE (PhotosPrintSetup, photos_print_setup, PHOTOS, PRINT_SETUP, GtkGrid);
 
 GtkWidget        *photos_print_setup_new         (GeglNode *node, GtkPageSetup *page_setup);