rulers: Let's hide them by default.

2 years ago this was a hot topic on UX-advise :-) - let's see if people are
more happy with hiding them by default now.

Change-Id: If4946538232c7579f7ce03d4947360645fb4967d

officecfg/registry/schema/org/openoffice/Office/Writer.xcs

@@ -1288,7 +1288,7 @@
             <desc>Specifies whether rulers are displayed. Filters the values of HorizontalRuler and VerticalRuler.</desc>
             <label>Show rulers</label>
           </info>
-          <value>true</value>
+          <value>false</value>
         </prop>
         <prop oor:name="HorizontalRuler" oor:type="xs:boolean" oor:nillable="false">
           <!-- OldPath: Writer/Layout/Window -->