Don't chunk the Composer section (#4157)

Author: jimwins

install/composer.xml

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
 
-<chapter xml:id="install.composer" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">
+<chapter xml:id="install.composer" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink" annotations="chunk:false">
  <title>Installation of Composer and third-party packages</title>
 
  <sect1 xml:id="install.composer.intro">