[gnome-calculator] math-window: Drop the spacing between the display and the buttons

[Robert Roth <robertroth src gnome org>]

commit da2549aa85e3d5e80e3e3a4ecf279347259534cb
Author: Adrien Plazas <kekun plazas laposte net>
Date:   Fri Jan 10 15:38:36 2020 +0100

    math-window: Drop the spacing between the display and the buttons
    
    It will be handled in a more fine-grained way via CSS.

 src/math-buttons.vala | 1 -
 src/ui/math-window.ui | 4 ----
 2 files changed, 5 deletions(-)
---
diff --git a/src/math-buttons.vala b/src/math-buttons.vala
index bb912240..7e739f93 100644
--- a/src/math-buttons.vala
+++ b/src/math-buttons.vala
@@ -124,7 +124,6 @@ public class MathButtons : Gtk.Box
     public MathButtons (MathEquation equation)
     {
         Object (orientation: Gtk.Orientation.VERTICAL, vexpand_set: true);
-        spacing = 6;
         show.connect (load_buttons);
         this.equation = equation;
 
diff --git a/src/ui/math-window.ui b/src/ui/math-window.ui
index 96dc68bf..f6e0754f 100644
--- a/src/ui/math-window.ui
+++ b/src/ui/math-window.ui
@@ -227,10 +227,6 @@
                 <property name="vexpand">True</property>
                 <property name="border_width">0</property>
                 <property name="orientation">vertical</property>
-                <property name="row_spacing">6</property>
-                <child>
-                  <placeholder/>
-                </child>
                 <child>
                   <object class="MathConverter" id="converter">
                     <property name="visible">False</property>