Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/sidebar.title.properties.xml

Index: third_party/docbook-xsl-1.78.0/params/sidebar.title.properties.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/sidebar.title.properties.xml b/third_party/docbook-xsl-1.78.0/params/sidebar.title.properties.xml
deleted file mode 100644
index f1b1d5184a4691d30145ec46062e762f6b3a0e51..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/sidebar.title.properties.xml
+++ /dev/null
@@ -1,32 +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="sidebar.title.properties">
-<refmeta>
-<refentrytitle>sidebar.title.properties</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">attribute set</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>sidebar.title.properties</refname>
-<refpurpose>Attribute set for sidebar titles</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="sidebar.title.properties.frag">
-<xsl:attribute-set name="sidebar.title.properties">
-  <xsl:attribute name="font-weight">bold</xsl:attribute>
-  <xsl:attribute name="hyphenate">false</xsl:attribute>
-  <xsl:attribute name="text-align">start</xsl:attribute>
-  <xsl:attribute name="keep-with-next.within-column">always</xsl:attribute>
-</xsl:attribute-set>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>The styling for sidebars titles.</para>
-
-</refsection>
-</refentry>