remove useless and bad looking hbar before Close button un accounts_window.glade

data/glade/accounts_window.glade

@@ -1317,16 +1317,6 @@ You might consider to change possible firewall settings.</property>
             <property name="position">1</property>
           </packing>
         </child>
-        <child>
-          <widget class="GtkHSeparator" id="hseparator2">
-            <property name="visible">True</property>
-            <property name="events">GDK_POINTER_MOTION_MASK | GDK_POINTER_MOTION_HINT_MASK | GDK_BUTTON_PRESS_MASK | GDK_BUTTON_RELEASE_MASK</property>
-          </widget>
-          <packing>
-            <property name="expand">False</property>
-            <property name="position">2</property>
-          </packing>
-        </child>
         <child>
           <widget class="GtkHButtonBox" id="hbuttonbox1">
             <property name="visible">True</property>