Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/filename-prefix.xml

Index: third_party/docbook-xsl-1.78.0/params/filename-prefix.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/filename-prefix.xml b/third_party/docbook-xsl-1.78.0/params/filename-prefix.xml
deleted file mode 100644
index 54c043d3db6469ff9895ab827fa5a83524b8051e..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/filename-prefix.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="filename-prefix">
-<refmeta>
-<refentrytitle>filename-prefix</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>filename-prefix</refname>
-<refpurpose>Prefix added to all filenames</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="filename-prefix.frag">
-<xsl:param name="filename-prefix"></xsl:param>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-<para>To produce the <quote>text-only</quote> (that is, non-tabular) layout
-of a website simultaneously with the tabular layout, the filenames have to
-be distinguished. That's accomplished by adding the
-<varname>filename-prefix</varname> to the front of each filename.</para>
-</refsection>
-</refentry>