[iagno] Remove accelerators in hamburger menu.

[Arnaud B. <arnaudb src gnome org>]

commit a32a7ea87c53b7beed31d2998b64a2aef12d1e01
Author: Arnaud Bonatti <arnaud bonatti gmail com>
Date:   Mon Jan 7 18:18:55 2019 +0100

    Remove accelerators in hamburger menu.
    
    And a keyboard shortcut that does not work.

 data/iagno.ui | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)
---
diff --git a/data/iagno.ui b/data/iagno.ui
index 0af3dde..fa899b4 100644
--- a/data/iagno.ui
+++ b/data/iagno.ui
@@ -4,22 +4,21 @@
   <menu id="primary-menu">
     <section>
       <item>
-        <attribute name="label" translatable="yes">A_ppearance</attribute>
+        <attribute name="label" translatable="yes">Appearance</attribute>
         <attribute name="action">app.theme</attribute>
       </item>
       <item>
-        <attribute name="label" translatable="yes">_Sound</attribute>
+        <attribute name="label" translatable="yes">Sound</attribute>
         <attribute name="action">app.sound</attribute>
       </item>
     </section>
     <section>
       <item>
-        <attribute name="label" translatable="yes">_Help</attribute>
+        <attribute name="label" translatable="yes">Help</attribute>
         <attribute name="action">app.help</attribute>
-        <attribute name="accel">F1</attribute>
       </item>
       <item>
-        <attribute name="label" translatable="yes">_About Iagno</attribute>
+        <attribute name="label" translatable="yes">About Iagno</attribute>
         <attribute name="action">app.about</attribute>
       </item>
     </section>