[system-administrators-guide] Removing Network Interfaces chapter (now covered by Networking Guide) Removing its link from the Pre

[stephenw]

commit c4abe9f14ab80a0c40c3144573886fe3523a354a
Author: Stephen Wadeley <swadeley at redhat.com>
Date:   Mon Feb 10 23:54:42 2014 +0100

    Removing Network Interfaces chapter (now covered by Networking Guide)
    Removing its link from the Preface

 en-US/Network_Interfaces.xml | 2739 ------------------------------------------
 en-US/Preface.xml            |   21 +-
 2 files changed, 3 insertions(+), 2757 deletions(-)
---
diff --git a/en-US/Preface.xml b/en-US/Preface.xml
index 40d095b..6dbd314 100644
--- a/en-US/Preface.xml
+++ b/en-US/Preface.xml
@@ -15,14 +15,10 @@
         Installing and managing packages using the graphical <application>PackageKit</application> and command line <application>Yum</application> package managers
       </para>
     </listitem>
+
     <listitem>
       <para>
-        Setting up a network—from establishing an Ethernet connection using <application>NetworkManager</application> to configuring channel bonding interfaces to increase server bandwidth
-      </para>
-    </listitem>
-    <listitem>
-      <para>
-        Configuring <systemitem class="service">DHCP</systemitem>, <application>BIND</application>, <application>Apache HTTP Server</application>, <application>Postfix</application>, <application>Sendmail</application> and other enterprise-class servers and software
+        Configuring <application>Apache HTTP Server</application>, <application>Postfix</application>, <application>Sendmail</application> and other enterprise-class servers and software
       </para>
     </listitem>
     <listitem>
@@ -80,18 +76,7 @@
           </para>
         </listitem>
       </varlistentry>
-      <varlistentry>
-        <term><xref linkend="part-Networking" /></term>
-        <listitem>
-          <para>
-            This part describes how to configure the network on &MAJOROS;.
-          </para>
-          <para>
-            <xref linkend="ch-Network_Interfaces" /> explores various interface configuration files, interface control scripts, and network function files located in the <filename class="directory">/etc/sysconfig/network-scripts/</filename> directory. Read this chapter for information how to use these files to configure network interfaces.
-          </para>
-        </listitem>
-      </varlistentry>
-      <varlistentry>
+       <varlistentry>
         <term><xref linkend="part-Infrastructure_Services" /></term>
         <listitem>
           <para>