Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/sans.font.family.xml

Index: third_party/docbook-xsl-1.78.0/params/sans.font.family.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/sans.font.family.xml b/third_party/docbook-xsl-1.78.0/params/sans.font.family.xml
deleted file mode 100644
index d569b1284c08b56acfa2931b64ae34751d5755be..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/sans.font.family.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="sans.font.family">
-<refmeta>
-<refentrytitle>sans.font.family</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">string</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>sans.font.family</refname>
-<refpurpose>The default sans-serif font family</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="sans.font.family.frag">
-<xsl:param name="sans.font.family" >sans-serif</xsl:param>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>The default sans-serif font family. At the present, this isn't
-actually used by the stylesheets.
-</para>
-
-</refsection>
-</refentry>