Remove last bits of the classic theme

Has been removed since long

Change-Id: Ic9ecd8eb09501e70b30fa873babc6bb700600b92

icon-themes/README

@@ -15,9 +15,6 @@ tango
 industrial
 galaxy
 
-The classic theme is left primarily for historical interest, rather
-than intended to be packaged.
-
 
 How to add a new image set:
 ---------------------------

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

@@ -5708,11 +5708,6 @@
               <desc>Tango - the Gnome default theme</desc>
             </info>
           </enumeration>
-          <enumeration oor:value="classic">
-            <info>
-              <desc>Classic - the OpenOffice.org 2.0 default theme</desc>
-            </info>
-          </enumeration>
           <enumeration oor:value="human">
             <info>
               <desc>Human - the Gnome default theme for Ubuntu</desc>