Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/navig.graphics.xml

Index: third_party/docbook-xsl-1.78.0/params/navig.graphics.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/navig.graphics.xml b/third_party/docbook-xsl-1.78.0/params/navig.graphics.xml
deleted file mode 100644
index 03e28b61ff15203cfcb741f296d89b4ff4f444be..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/navig.graphics.xml
+++ /dev/null
@@ -1,31 +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="navig.graphics">
-<refmeta>
-<refentrytitle>navig.graphics</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>navig.graphics</refname>
-<refpurpose>Use graphics in navigational headers and footers?</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="navig.graphics.frag">
-<xsl:param name="navig.graphics" select="0"/>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>If non-zero, the navigational headers and footers in chunked
-HTML are presented in an alternate style that uses graphical icons for
-Next, Previous, Up, and Home.  Default graphics are provided in the
-distribution. If zero, text is used instead of graphics.
-</para>
-
-</refsection>
-</refentry>