Hide the window title/buttons on maximize

resources/InstallResources/xfce-config/xfce-perchannel-xml/xfwm4.xml

@@ -61,7 +61,7 @@
     <property name="title_alignment" type="string" value="center"/>
     <property name="title_font" type="string" value="Sans Bold 9"/>
     <property name="title_horizontal_offset" type="int" value="0"/>
-    <property name="titleless_maximize" type="bool" value="false"/>
+    <property name="titleless_maximize" type="bool" value="true"/>
     <property name="title_shadow_active" type="string" value="false"/>
     <property name="title_shadow_inactive" type="string" value="false"/>
     <property name="title_vertical_offset_active" type="int" value="0"/>