Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/html.longdesc.xml

Index: third_party/docbook-xsl-1.78.0/params/html.longdesc.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/html.longdesc.xml b/third_party/docbook-xsl-1.78.0/params/html.longdesc.xml
deleted file mode 100644
index 10f341a29bc1d96c97d72aeef2a76292b42386fd..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/html.longdesc.xml
+++ /dev/null
@@ -1,28 +0,0 @@
-<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="html.longdesc">
-<refmeta>
-<refentrytitle>html.longdesc</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>html.longdesc</refname>
-<refpurpose>Should longdesc URIs be created?</refpurpose>
-</refnamediv>
-<refsynopsisdiv>
-<src:fragment xml:id="html.longdesc.frag">
-<xsl:param name="html.longdesc" select="1"/>
-</src:fragment>
-</refsynopsisdiv>
-<refsection><info><title>Description</title></info>
-<para>If non-zero, HTML files will be created for the
-<literal>longdesc</literal> attribute. These files
-are created from the <tag>textobject</tag>s in
-<tag>mediaobject</tag>s and
-<tag>inlinemediaobject</tag>.
-</para>
-</refsection>
-</refentry>