Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/css.stylesheet.dir.xml

Index: third_party/docbook-xsl-1.78.0/params/css.stylesheet.dir.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/css.stylesheet.dir.xml b/third_party/docbook-xsl-1.78.0/params/css.stylesheet.dir.xml
deleted file mode 100644
index e32b17892ff4ce3ea47ccc5639801612cb9e8b15..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/css.stylesheet.dir.xml
+++ /dev/null
@@ -1,33 +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="css.stylesheet.dir">
-<refmeta>
-<refentrytitle>css.stylesheet.dir</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>css.stylesheet.dir</refname>
-<refpurpose>Default directory for CSS stylesheets</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="css.stylesheet.dir.frag">
-<xsl:param name="css.stylesheet.dir"></xsl:param>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>Identifies the default directory for the CSS stylesheet
-generated on all the slides. This parameter can be set in the source
-document with the &lt;?dbhtml?&gt; pseudo-attribute
-<literal>css-stylesheet-dir</literal>.</para>
-
-<para>If non-empty, this value is prepended to each of the stylesheets.
-</para>
-
-</refsection>
-</refentry>