[gnome-flashback] build: bump required gnome-desktop version

[Alberts Muktupāvels <muktupavels src gnome org>]

commit e4bf1bc7279dab54b57714d090dc71e0f46a5dca
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Sun Oct 2 19:10:37 2022 +0300

    build: bump required gnome-desktop version
    
    https://gitlab.gnome.org/GNOME/gnome-flashback/-/issues/83

 configure.ac                                      | 11 +----------
 gnome-flashback/libdesktop/gf-thumbnail-factory.c | 19 -------------------
 2 files changed, 1 insertion(+), 29 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index a1fa637..7ea1900 100644
--- a/configure.ac
+++ b/configure.ac
@@ -90,7 +90,7 @@ dnl **************************************************************************
 
 GDK_PIXBUF_REQUIRED=2.32.2
 GTK_REQUIRED=3.22.0
-LIBGNOME_DESKTOP_REQUIRED=3.12.0
+LIBGNOME_DESKTOP_REQUIRED=43
 LIBGNOME_PANEL_REQUIRED=3.35.2
 CANBERRA_REQUIRED=0.13
 GLIB_REQUIRED=2.67.3
@@ -291,15 +291,6 @@ PKG_CHECK_EXISTS([pango >= 1.44.0],
                  AC_DEFINE([HAVE_PANGO144], [1],
                            [Define if Pango is 1.44.0 or newer]))
 
-dnl **************************************************************************
-dnl Check if we have gnome-desktop 43.alpha or newer
-dnl **************************************************************************
-
-PKG_CHECK_EXISTS([gnome-desktop-3.0 >= 43.alpha],
-                 AC_DEFINE([HAVE_GNOME_DESKTOP_43_ALPHA], [1],
-                           [Define if gnome-desktop is 43.alpha or newer]))
-
-
 dnl **************************************************************************
 dnl Systemd session
 dnl **************************************************************************
diff --git a/gnome-flashback/libdesktop/gf-thumbnail-factory.c 
b/gnome-flashback/libdesktop/gf-thumbnail-factory.c
index c532e5a..d25f24c 100644
--- a/gnome-flashback/libdesktop/gf-thumbnail-factory.c
+++ b/gnome-flashback/libdesktop/gf-thumbnail-factory.c
@@ -122,49 +122,30 @@ load_icon_in_thread (GTask        *task,
       return;
     }
 
-#ifdef HAVE_GNOME_DESKTOP_43_ALPHA
   pixbuf = gnome_desktop_thumbnail_factory_generate_thumbnail (data->self->factory,
                                                                data->uri,
                                                                data->content_type,
                                                                NULL,
                                                                NULL);
-#else
-  pixbuf = gnome_desktop_thumbnail_factory_generate_thumbnail (data->self->factory,
-                                                               data->uri,
-                                                               data->content_type);
-#endif
 
   if (pixbuf != NULL)
     {
-#ifdef HAVE_GNOME_DESKTOP_43_ALPHA
       gnome_desktop_thumbnail_factory_save_thumbnail (data->self->factory,
                                                       pixbuf,
                                                       data->uri,
                                                       data->time_modified,
                                                       NULL,
                                                       NULL);
-#else
-      gnome_desktop_thumbnail_factory_save_thumbnail (data->self->factory,
-                                                      pixbuf,
-                                                      data->uri,
-                                                      data->time_modified);
-#endif
 
       g_task_return_pointer (task, pixbuf, g_object_unref);
       return;
     }
 
-#ifdef HAVE_GNOME_DESKTOP_43_ALPHA
   gnome_desktop_thumbnail_factory_create_failed_thumbnail (data->self->factory,
                                                            data->uri,
                                                            data->time_modified,
                                                            NULL,
                                                            NULL);
-#else
-  gnome_desktop_thumbnail_factory_create_failed_thumbnail (data->self->factory,
-                                                           data->uri,
-                                                           data->time_modified);
-#endif
 
   g_task_return_new_error (task,
                            GF_THUMBNAIL_ERROR,