Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/overlay.logo.xml

Index: third_party/docbook-xsl-1.78.0/params/overlay.logo.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/overlay.logo.xml b/third_party/docbook-xsl-1.78.0/params/overlay.logo.xml
deleted file mode 100644
index e740771185ad37f61e79f8311a2bea7f3b6e51d9..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/overlay.logo.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="overlay.logo">
-<refmeta>
-<refentrytitle>overlay.logo</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">uri</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>overlay.logo</refname>
-<refpurpose>Logo to overlay on ToC frame</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="overlay.logo.frag">
-<xsl:param name="overlay.logo">http://docbook.sourceforge.net/release/buttons/slides-1.png</xsl:param>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>If this URI is non-empty, JavaScript is used to overlay the
-specified image on the ToC frame.</para>
-
-</refsection>
-</refentry>