Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/toc.hide.show.xml

Index: third_party/docbook-xsl-1.78.0/params/toc.hide.show.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/toc.hide.show.xml b/third_party/docbook-xsl-1.78.0/params/toc.hide.show.xml
deleted file mode 100644
index 1570ec438b83b733a1fb197ddca4d64f1de10943..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/toc.hide.show.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="toc.hide.show">
-<refmeta>
-<refentrytitle>toc.hide.show</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>toc.hide.show</refname>
-<refpurpose>Enable hide/show button for ToC frame</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="toc.hide.show.frag">
-<xsl:param name="toc.hide.show" select="0"/>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>If non-zero, JavaScript (and an additional icon, see
-<link linkend="hidetoc.image">hidetoc.image</link> and
-<link linkend="hidetoc.image">showtoc.image</link>) is added to each slide
-to allow the ToC panel to be <quote>toggled</quote> on each panel.</para>
-
-<note><para>There is a bug in Mozilla 1.0 (at least as of CR3) that causes
-the browser to reload the titlepage when this feature is used.</para></note>
-
-</refsection>
-</refentry>