[install-guide/f21-branch] Removing an invalid xref

[pbokoc]

commit d9bd8948e871ca442ace358f73040b6d94fa7297
Author: Petr Bokoc <pbokoc at redhat.com>
Date:   Mon Dec 8 18:02:57 2014 +0100

    Removing an invalid xref

 en-US/SourceSpoke.xml |    5 -----
 1 files changed, 0 insertions(+), 5 deletions(-)
---
diff --git a/en-US/SourceSpoke.xml b/en-US/SourceSpoke.xml
index 5b99f05..2e211e1 100644
--- a/en-US/SourceSpoke.xml
+++ b/en-US/SourceSpoke.xml
@@ -8,11 +8,6 @@
 	<para>
 		The <guilabel>Installation Source</guilabel> screen allows you to specify a location (local or on the network) from which packages will be downloaded and installed on your system. This screen will be configured automatically in most cases, but you can change your settings or add additional sources.
 	</para>
-	<note>
-		<para>
-			Some preparation may be necessary to create an installation source. See <xref linkend="sect-preparing-installation-sources" /> for instructions.
-		</para>
-	</note>
 	<figure>
 		<title>Installation Source</title>
 		<mediaobject>