[gnote] Remove no longer used Ptr

[Aurimas Černius <aurimasc src gnome org>]

commit f558124135d768972f82efc09917dd39c9772099
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Sun May 23 20:51:29 2021 +0300

    Remove no longer used Ptr

 src/noteeditor.hpp | 2 --
 1 file changed, 2 deletions(-)
---
diff --git a/src/noteeditor.hpp b/src/noteeditor.hpp
index 3dab1fbc..a7c6077c 100644
--- a/src/noteeditor.hpp
+++ b/src/noteeditor.hpp
@@ -43,8 +43,6 @@ class NoteEditor
   : public Gtk::TextView
 {
 public:
-  typedef Glib::RefPtr<NoteEditor> Ptr;
-
   NoteEditor(const Glib::RefPtr<Gtk::TextBuffer> & buffer, Preferences & preferences);
   static int default_margin()
     {