Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/htmlhelp.default.topic.xml

Index: third_party/docbook-xsl-1.78.0/params/htmlhelp.default.topic.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/htmlhelp.default.topic.xml b/third_party/docbook-xsl-1.78.0/params/htmlhelp.default.topic.xml
deleted file mode 100644
index 577f440929579af5be7b070de17112e5b9cc04ee..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/htmlhelp.default.topic.xml
+++ /dev/null
@@ -1,37 +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="htmlhelp.default.topic">
-<refmeta>
-<refentrytitle>htmlhelp.default.topic</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>htmlhelp.default.topic</refname>
-<refpurpose>Name of file with default topic</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="htmlhelp.default.topic.frag">
-<xsl:param name="htmlhelp.default.topic"></xsl:param>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>Normally first chunk of document is displayed when you open HTML
-Help file. If you want to display another topic, simply set its
-filename by this parameter.</para>
-
-<para>This is useful especially if you don't generate ToC in front of
-your document and you also hide root element in ToC. E.g.:</para>
-
-<programlisting>&lt;xsl:param name="generate.book.toc" select="0"/&gt;
-&lt;xsl:param name="htmlhelp.hhc.show.root" select="0"/&gt;
-&lt;xsl:param name="htmlhelp.default.topic">pr01.html&lt;/xsl:param>
-</programlisting>
-
-</refsection>
-</refentry>