Updating appliances removal

Manual cherry-pick from #480 (BZ1480413)

doc-General_Configuration/miq/docinfo.xml

@@ -3,7 +3,7 @@
 <productnumber>0</productnumber>
 <subtitle>A guide to configuring and tuning ManageIQ</subtitle>
 <abstract>
-    <para>This guide provides instructions on configuring ManageIQ, including appliance settings, access control, web console appearance, registration, and updates. Information and procedures in this book are relevant to ManageIQ administrators.</para>
+    <para>This guide provides instructions on configuring ManageIQ, including appliance settings, access control, web console appearance, and registration. Information and procedures in this book are relevant to ManageIQ administrators.</para>
 </abstract>
 <authorgroup id="Author_Group">
         <author>