Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/ade.extensions.xml

Index: third_party/docbook-xsl-1.78.0/params/ade.extensions.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/ade.extensions.xml b/third_party/docbook-xsl-1.78.0/params/ade.extensions.xml
deleted file mode 100644
index 479591b9334829ffac7bf74a15bb6cb6316bfd2c..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/ade.extensions.xml
+++ /dev/null
@@ -1,32 +0,0 @@
-<?xml version="1.0"?>
-<refentry xmlns="http://docbook.org/ns/docbook" 
-          xmlns:xlink="http://www.w3.org/1999/xlink" 
-          xmlns:xi="http://www.w3.org/2001/XInclude" 
-          xmlns:src="http://nwalsh.com/xmlns/litprog/fragment" 
-          xmlns:xsl="http://www.w3.org/1999/XSL/Transform" 
-          version="5.0" 
-          xml:id="ade.extensions">
-  <refmeta>
-    <refentrytitle>ade.extensions</refentrytitle>
-    <refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
-  </refmeta>
-  <refnamediv>
-    <refname>ade.extensions</refname>
-    <refpurpose>Enable Adobe Digitial Editions extensions for ePub rendering?</refpurpose>
-  </refnamediv>
-  <refsynopsisdiv>
-    <src:fragment xml:id="ade.extensions.frag">
-      <xsl:param name="ade.extensions" select="0"/>
-    </src:fragment>
-  </refsynopsisdiv>
-  <refsection>
-    <info>
-      <title>Description</title>
-    </info>
-    <para>If non-zero,
-<link xlink:href="http://www.adobe.com/products/digitaleditions/">Adobe Digital Editions</link>
-extensions will be used when rendering to ePub output. Adobe Digital Editions extensions consists 
-rendering and layout extensions.</para>
-    <para>This parameter can also affect which graphics file formats are supported.</para>
-  </refsection>
-</refentry>