[gnome-photos] application: Simplify the callbacks

[Debarshi Ray <debarshir src gnome org>]

commit 1401475d946af3367d53e758fff488ef0c8d8955
Author: Debarshi Ray <debarshir gnome org>
Date:   Tue Jun 6 21:49:35 2017 +0200

    application: Simplify the callbacks

 src/photos-application.c |    8 ++++----
 1 files changed, 4 insertions(+), 4 deletions(-)
---
diff --git a/src/photos-application.c b/src/photos-application.c
index 5b7c604..6aa9c95 100644
--- a/src/photos-application.c
+++ b/src/photos-application.c
@@ -258,7 +258,7 @@ photos_application_refresh_data_free (PhotosApplicationRefreshData *data)
 
 
 static void
-photos_application_help (PhotosApplication *self, GVariant *parameter)
+photos_application_help (PhotosApplication *self)
 {
   GtkWindow *parent;
   guint32 time;
@@ -270,7 +270,7 @@ photos_application_help (PhotosApplication *self, GVariant *parameter)
 
 
 static void
-photos_application_about (PhotosApplication *self, GVariant *parameter)
+photos_application_about (PhotosApplication *self)
 {
   photos_main_window_show_about (PHOTOS_MAIN_WINDOW (self->main_window));
 }
@@ -890,7 +890,7 @@ photos_application_edit_revert (PhotosApplication *self, GVariant *parameter)
 
 
 static void
-photos_application_fullscreen (PhotosApplication *self, GVariant *parameter)
+photos_application_fullscreen (PhotosApplication *self)
 {
   photos_mode_controller_toggle_fullscreen (self->state->mode_cntrlr);
 }
@@ -1208,7 +1208,7 @@ photos_application_remote_display_current (PhotosApplication *self)
 
 
 static void
-photos_application_quit (PhotosApplication *self, GVariant *parameter)
+photos_application_quit (PhotosApplication *self)
 {
   gtk_window_close (GTK_WINDOW (self->main_window));
 }