Removing references to legacy packaged apps across extension docs.

chrome/common/extensions/docs/server2/templates/articles/docs.html

Index: chrome/common/extensions/docs/server2/templates/articles/docs.html
diff --git a/chrome/common/extensions/docs/server2/templates/articles/docs.html b/chrome/common/extensions/docs/server2/templates/articles/docs.html
index 39a4c752a13ec42f90c01cf668c4d367ab42230d..fd87745149d904ccb109935a2ad65e7fe4c0da05 100644
--- a/chrome/common/extensions/docs/server2/templates/articles/docs.html
+++ b/chrome/common/extensions/docs/server2/templates/articles/docs.html
@@ -1,21 +1,10 @@
 <h1>Hello There!</h1>
 
 <p>
-This documentation tells you how to write extensions
-and packaged apps for the
+This documentation tells you how to write extensions for the
 <a href="http://www.google.com/chrome">Google Chrome browser</a>.
-Because extensions came first,
-the APIs and these docs say <em>extension</em> everywhere.
 </p>
 
-<p class="caution">
-<b>Note:</b>
-Unless you see a note
-describing an exception for packaged apps,
-everything in this documentation applies to both extensions and packaged apps.
-</p>
-
-
 <h2 id="readme"> Where to start </h2>
 
 <p>