Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/plus.image.xml

Index: third_party/docbook-xsl-1.78.0/params/plus.image.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/plus.image.xml b/third_party/docbook-xsl-1.78.0/params/plus.image.xml
deleted file mode 100644
index 17b3d3ca2b9397de58e80c397ccd04975eeeec34..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/plus.image.xml
+++ /dev/null
@@ -1,29 +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="plus.image">
-<refmeta>
-<refentrytitle>plus.image</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">filename</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>plus.image</refname>
-<refpurpose>Plus image</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="plus.image.frag">
-<xsl:param name="plus.image">toc/closed.png</xsl:param>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>Specifies the filename of the <quote>plus</quote> image; the image used in a
-<link linkend="dynamic.toc">dynamic ToC</link> to indicate that a section
-can be expanded.</para>
-
-</refsection>
-</refentry>