Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/tablecolumns.extension.xml

Index: third_party/docbook-xsl-1.78.0/params/tablecolumns.extension.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/tablecolumns.extension.xml b/third_party/docbook-xsl-1.78.0/params/tablecolumns.extension.xml
deleted file mode 100644
index 2ec817a3ee75693c94c73d9659e4d3a68a6bb7de..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/tablecolumns.extension.xml
+++ /dev/null
@@ -1,30 +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="tablecolumns.extension">
-<refmeta>
-<refentrytitle>tablecolumns.extension</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">boolean</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>tablecolumns.extension</refname>
-<refpurpose>Enable the table columns extension function</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="tablecolumns.extension.frag">
-<xsl:param name="tablecolumns.extension" select="1"/>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>The table columns extension function adjusts the widths of table
-columns in the HTML result to more accurately reflect the specifications
-in the CALS table.
-</para>
-
-</refsection>
-</refentry>