Vertex metacity hide titlebar in max mode

metacity-theme-3.xml

<!-- NOTE: This is only the "max" frame_geometry -->
<frame_geometry name="max" title_scale="small" parent="normal" rounded_top_left="false" rounded_top_right="false" hide_buttons="true" has_title="false">
	<distance name="left_width" value="0" />
	<distance name="right_width" value="0" />
	<distance name="bottom_height" value="0" />
	<distance name="left_titlebar_edge" value="0"/>
	<distance name="right_titlebar_edge" value="0"/>
  <distance name="button_width" value="0"/>
  <distance name="button_height" value="0"/>
	<border name="title_border" left="0" right="0" top="0" bottom="0"/>
	<border name="button_border" left="0" right="0" top="0" bottom="0"/>
	<distance name="title_vertical_pad" value="0"/>
</frame_geometry>