[system-administrators-guide] remove link to old kdump chapter

[stephenw]

commit a3762b9fcbf31c09738148043b10e04f7ffcf10e
Author: Stephen Wadeley <swadeley at redhat.com>
Date:   Tue Dec 9 18:21:25 2014 +0100

    remove link to old kdump chapter

 en-US/Preface.xml |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/en-US/Preface.xml b/en-US/Preface.xml
index 9456c66..c8ddc16 100644
--- a/en-US/Preface.xml
+++ b/en-US/Preface.xml
@@ -23,11 +23,6 @@
     </listitem>
     <listitem>
       <para>
-        Gathering information about your system, including obtaining user-space crash data with the <application>Automatic Bug Reporting Tool</application>, and kernel-space crash data with <systemitem class="service">kdump</systemitem>
-      </para>
-    </listitem>
-    <listitem>
-      <para>
         Working with kernel modules and upgrading the kernel
       </para>
     </listitem>
@@ -154,9 +149,6 @@
           <para>
             <xref linkend="ch-Working_with_Kernel_Modules" /> explains how to display, query, load, and unload kernel modules and their dependencies, and how to set module parameters. Additionally, it covers specific kernel module capabilities such as using multiple Ethernet cards and using channel bonding. Read this chapter if you need to work with kernel modules.
           </para>
-          <para>
-            <xref linkend="ch-kdump" /> explains how to configure, test, and use the <systemitem class="service">kdump</systemitem> service in &MAJOROS;, and provides a brief overview of how to analyze the resulting core dump using the <application>crash</application> debugging utility. Read this chapter to learn how to enable <systemitem class="service">kdump</systemitem> on your system.
-          </para>
         </listitem>
       </varlistentry>
        <varlistentry>