Doing some cleanup.

third_party/docbook-xsl-1.78.0/params/ebnf.assignment.xml

Index: third_party/docbook-xsl-1.78.0/params/ebnf.assignment.xml
diff --git a/third_party/docbook-xsl-1.78.0/params/ebnf.assignment.xml b/third_party/docbook-xsl-1.78.0/params/ebnf.assignment.xml
deleted file mode 100644
index 5c8974868444d64e28e0ebd2387ae4d30319822f..0000000000000000000000000000000000000000
--- a/third_party/docbook-xsl-1.78.0/params/ebnf.assignment.xml
+++ /dev/null
@@ -1,39 +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="ebnf.assignment">
-<refmeta>
-<refentrytitle>ebnf.assignment</refentrytitle>
-<refmiscinfo class="other" otherclass="datatype">rtf</refmiscinfo>
-</refmeta>
-<refnamediv>
-<refname>ebnf.assignment</refname>
-<refpurpose>The EBNF production assignment operator</refpurpose>
-</refnamediv>
-
-<refsynopsisdiv>
-<src:fragment xml:id="ebnf.assignment.frag">
-<xsl:param condition="html" name="ebnf.assignment">
-<code xmlns="">::=</code>
-</xsl:param>
-<xsl:param xmlns:fo="http://www.w3.org/1999/XSL/Format" xmlns:xsl="http://www.w3.org/1999/XSL/Transform" condition="fo" name="ebnf.assignment">
-  <fo:inline font-family="{$monospace.font.family}">
-    <xsl:text>::=</xsl:text>
-  </fo:inline>
-</xsl:param>
-</src:fragment>
-</refsynopsisdiv>
-
-<refsection><info><title>Description</title></info>
-
-<para>The <parameter>ebnf.assignment</parameter> parameter determines what
-text is used to show <quote>assignment</quote> in <tag>production</tag>s
-in <tag>productionset</tag>s.</para>
-
-<para>While <quote><literal>::=</literal></quote> is common, so are several
-other operators.</para>
-
-</refsection>
-</refentry>