Resolves fdo#80477: duplicate key for Help button in Start Center

Change-Id: If46baf8613c6202e84a985ad7e2ce658e1d42193
Reviewed-on: https://gerrit.libreoffice.org/10102
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>
diff --git a/sfx2/uiconfig/ui/startcenter.ui b/sfx2/uiconfig/ui/startcenter.ui
index 4e0e04b..32dfcac 100644
--- a/sfx2/uiconfig/ui/startcenter.ui
+++ b/sfx2/uiconfig/ui/startcenter.ui
@@ -260,14 +260,13 @@
                        <property name="orientation">vertical</property>
                        <child>
                          <object class="GtkButton" id="help">
                            <property name="label">gtk-help</property>
                            <property name="label">He_lp</property>
                            <property name="visible">True</property>
                            <property name="can_focus">True</property>
                            <property name="receives_default">True</property>
                            <property name="has_tooltip">True</property>
                            <property name="relief">none</property>
                            <property name="use_underline">True</property>
                            <property name="use_stock">True</property>
                          </object>
                          <packing>
                            <property name="expand">False</property>