Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/wrap.slidecontent.xml

Index: third_party/docbook-xsl-1.78.0/params/wrap.slidecontent.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/wrap.slidecontent.xml b/third_party/docbook-xsl-1.78.0/params/wrap.slidecontent.xml
deleted file mode 100644
index 09a515f0940af356b549e2fe46b042a660ab49e7..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/wrap.slidecontent.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="wrap.slidecontent">
-<refmeta>
-<refentrytitle>wrap.slidecontent</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>wrap.slidecontent</refname>
-<refpurpose>Specifies whether the foil content is wrapped into a div</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-  <src:fragment xml:id="wrap.slidecontent.frag">
-    <xsl:param name="wrap.slidecontent">0</xsl:param>
-  </src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>This parameter specifies whether the foil content is wrapped into
-  a div so that additional styling can be applied.</para>
-
-</refsection>
-</refentry>