[gnote] Cleanup using signal_desktop_gnome_clock_format_changed

[Aurimas Černius <aurimasc src gnome org>]

commit 9b332ffdf7ac7e3640a31b991557ca91e4d46904
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sun Dec 13 13:12:40 2020 +0200

    Cleanup using signal_desktop_gnome_clock_format_changed

 src/searchnoteswidget.cpp | 9 +--------
 src/searchnoteswidget.hpp | 1 -
 2 files changed, 1 insertion(+), 9 deletions(-)
---
diff --git a/src/searchnoteswidget.cpp b/src/searchnoteswidget.cpp
index 6942f4b4..332a3737 100644
--- a/src/searchnoteswidget.cpp
+++ b/src/searchnoteswidget.cpp
@@ -109,9 +109,7 @@ SearchNotesWidget::SearchNotesWidget(IGnote & g, NoteManagerBase & m)
   Glib::RefPtr<Gio::Settings> settings = g.preferences().get_schema_settings(Preferences::SCHEMA_GNOTE);
   settings->signal_changed().connect(sigc::mem_fun(*this, &SearchNotesWidget::on_settings_changed));
   parse_sorting_setting(settings->get_string(Preferences::SEARCH_SORTING));
-  g.preferences().schema_gnome_interface()->signal_changed(Preferences::DESKTOP_GNOME_CLOCK_FORMAT)
-    .connect(sigc::mem_fun(*this, &SearchNotesWidget::on_gnome_clock_format_changed));
-  g.preferences().schema_gnome_interface()->get_string(Preferences::DESKTOP_GNOME_CLOCK_FORMAT); // query so 
the signal is emmitted
+  g.preferences().signal_desktop_gnome_clock_format_changed.connect(sigc::mem_fun(*this, 
&SearchNotesWidget::update_results));
 }
 
 SearchNotesWidget::~SearchNotesWidget()
@@ -1443,11 +1441,6 @@ void SearchNotesWidget::on_settings_changed(const Glib::ustring & key)
   }
 }
 
-void SearchNotesWidget::on_gnome_clock_format_changed(const Glib::ustring & /*key*/)
-{
-  update_results();
-}
-
 void SearchNotesWidget::on_sorting_changed()
 {
   // don't do anything if in search mode
diff --git a/src/searchnoteswidget.hpp b/src/searchnoteswidget.hpp
index 6e09b86e..d58e1ebd 100644
--- a/src/searchnoteswidget.hpp
+++ b/src/searchnoteswidget.hpp
@@ -124,7 +124,6 @@ private:
   void on_new_notebook();
   void on_delete_notebook();
   void on_settings_changed(const Glib::ustring & key);
-  void on_gnome_clock_format_changed(const Glib::ustring & key);
   void on_sorting_changed();
   void parse_sorting_setting(const Glib::ustring & sorting);
   void on_rename_notebook();