[gnome-calculator] Removed obsolete AppMenuRetirement comments

[Robert Roth <robertroth src gnome org>]

commit 5cb07acc29051d79173640ed23c65713a4123483
Author: Robert Roth <robert roth off gmail com>
Date:   Tue Jan 21 13:50:30 2020 +0200

    Removed obsolete AppMenuRetirement comments

 src/math-window.ui   | 2 +-
 src/math-window.vala | 4 ----
 2 files changed, 1 insertion(+), 5 deletions(-)
---
diff --git a/src/math-window.ui b/src/math-window.ui
index 2b3f3af6..521ef643 100644
--- a/src/math-window.ui
+++ b/src/math-window.ui
@@ -155,7 +155,7 @@
         </child>
         <child>
           <object class="GtkMenuButton" id="primary_menu_button">
-            <property name="visible">True</property> <!-- Disabled until 
https://wiki.gnome.org/Initiatives/GnomeGoals/AppMenuRetirement is confirmed -->
+            <property name="visible">True</property>
             <property name="can_focus">False</property>
             <property name="receives_default">False</property>
             <property name="menu_model">primary_menu</property>
diff --git a/src/math-window.vala b/src/math-window.vala
index ddb0caea..dc244ccf 100644
--- a/src/math-window.vala
+++ b/src/math-window.vala
@@ -31,10 +31,6 @@ public class MathWindow : Gtk.ApplicationWindow
     [GtkChild]
     private MathConverter converter;
 
-    /* Remove when https://wiki.gnome.org/Initiatives/GnomeGoals/AppMenuRetirement is confirmed */
-    [GtkChild]
-    public Gtk.MenuButton primary_menu_button;
-
     private const ActionEntry[] window_entries =
     {
         { "copy", copy_cb, null, null, null },