[gnote] Remove old signal

[Aurimas Černius <aurimasc src gnome org>]

commit 6bf2da409837e3718537f14549cbd26e65846378
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sun Apr 25 15:01:38 2021 +0300

    Remove old signal

 src/iactionmanager.hpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/iactionmanager.hpp b/src/iactionmanager.hpp
index fa312b50..2fe181e8 100644
--- a/src/iactionmanager.hpp
+++ b/src/iactionmanager.hpp
@@ -1,7 +1,7 @@
 /*
  * gnote
  *
- * Copyright (C) 2013,2015-2017,2019 Aurimas Cernius
+ * Copyright (C) 2013,2015-2017,2019,2021 Aurimas Cernius
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -48,7 +48,6 @@ public:
   virtual std::map<Glib::ustring, sigc::slot<void, const Glib::VariantBase&>> 
get_main_window_search_callbacks() = 0;
   sigc::signal<void> signal_main_window_search_actions_changed;
   sigc::signal<void, std::vector<PopoverWidget>&> signal_build_main_window_search_popover;
-  sigc::signal<void> signal_main_window_popover_changed;
 };
 
 }