doc: Hardcode the header instead of using "machine readable".

"classmod" is not useful for a humain.

docs/ldoc.ltp

@@ -87,7 +87,7 @@
 # if ldoc.body then -- verbatim HTML as contents; 'non-code' entries
     $(ldoc.body)
 # elseif module then -- module documentation
-<h1>$(ldoc.module_typename(module)) <code>$(module.name)</code></h1>
+<h1>Module: <code>$(module.name)</code></h1>
 <p>$(M(module.summary,module))</p>
 <p>$(M(module.description,module))</p>
 #   if module.tags.include then