[gnote] Do not use singleton IGnote in Notebook

[Aurimas Černius <aurimasc src gnome org>]

commit a464c3e8381f45583d1d24b98829baa1ed2a4679
Author: Aurimas Černius <aurisc4 gmail com>
Date:   Mon Dec 9 22:41:22 2019 +0200

    Do not use singleton IGnote in Notebook

 src/notebooks/notebook.cpp | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)
---
diff --git a/src/notebooks/notebook.cpp b/src/notebooks/notebook.cpp
index 347818de..92a88f4a 100644
--- a/src/notebooks/notebook.cpp
+++ b/src/notebooks/notebook.cpp
@@ -23,7 +23,6 @@
 #include <glibmm/i18n.h>
 
 #include "sharp/string.hpp"
-#include "ignote.hpp"
 #include "notemanager.hpp"
 #include "notebooks/notebook.hpp"
 #include "notebooks/notebookmanager.hpp"
@@ -208,7 +207,7 @@ namespace notebooks {
 
   bool Notebook::add_note(const Note::Ptr & note)
   {
-    IGnote::obj().notebook_manager().move_note_to_notebook(note, shared_from_this());
+    m_note_manager.notebook_manager().move_note_to_notebook(note, shared_from_this());
     return true;
   }