[gnome-calculator] Removed unused trunc button from programming mode (fixes #41)

[Robert Roth <robertroth src gnome org>]

commit a313cd5c2ec3aafc0fcbfa215da7ed4f213a442c
Author: Robert Roth <robert roth off gmail com>
Date:   Tue Nov 3 09:39:02 2020 +0200

    Removed unused trunc button from programming mode (fixes #41)

 src/ui/buttons-programming.ui | 14 --------------
 1 file changed, 14 deletions(-)
---
diff --git a/src/ui/buttons-programming.ui b/src/ui/buttons-programming.ui
index aaaefeb5..ef5c5c35 100644
--- a/src/ui/buttons-programming.ui
+++ b/src/ui/buttons-programming.ui
@@ -2312,20 +2312,6 @@
             <property name="top_attach">1</property>
           </packing>
         </child>
-        <child>
-          <object class="GtkButton" id="calc_trunc_button">
-            <property name="label">trunc</property>
-            <property name="visible">False</property>
-            <property name="can_focus">False</property>
-            <property name="receives_default">False</property>
-            <property name="use_underline">False</property>
-            <property name="focus_on_click">False</property>
-          </object>
-          <packing>
-            <property name="left_attach">8</property>
-            <property name="top_attach">1</property>
-          </packing>
-        </child>
         <child>
           <object class="GtkMenuButton" id="calc_word_size_button">
             <property name="visible">True</property>