[system-administrators-guide] Removing the BIND chapter and the reference to DNS from the Preface This is now covered by the Netwo

[stephenw]

commit 7f96d82283eea8d5ca9f5c05ba90e48f06e60865
Author: Stephen Wadeley <swadeley at redhat.com>
Date:   Mon Feb 10 23:56:32 2014 +0100

    Removing the BIND chapter and the reference to DNS from the Preface
    This is now covered by the Networking Guide.

 en-US/BIND.xml    | 2053 -----------------------------------------------------
 en-US/Preface.xml |    3 -
 2 files changed, 0 insertions(+), 2056 deletions(-)
---
diff --git a/en-US/Preface.xml b/en-US/Preface.xml
index 6dbd314..3122f30 100644
--- a/en-US/Preface.xml
+++ b/en-US/Preface.xml
@@ -103,9 +103,6 @@
             <xref linkend="ch-DHCP_Servers" /> guides you through the installation of a Dynamic Host Configuration Protocol (DHCP) server and client. Read this chapter if you need to configure DHCP on your system.
           </para>
           <para>
-            <xref linkend="ch-DNS_Servers" /> introduces you to Domain Name System (DNS), explains how to install, configure, run, and administer the <application>BIND</application> DNS server. Read this chapter if you need to configure a DNS server on your system.
-          </para>
-          <para>
             <xref linkend="ch-Web_Servers" /> focuses on the <application>Apache HTTP Server 2.2</application>, a robust, full-featured open source web server developed by the Apache Software Foundation. Read this chapter if you need to configure a web server on your system.
           </para>
           <para>