Cleaning up karaf

Removing deprecated etc/samples
Removing unneeded featureRepos and features

Change-Id: Iad54774f6ecf74ca645accfd0745a42fcfb84a25
diff --git a/tools/package/etc/users.properties b/tools/package/etc/users.properties
index 9f7a266..c7bdb2d 100644
--- a/tools/package/etc/users.properties
+++ b/tools/package/etc/users.properties
@@ -25,7 +25,7 @@
 # USER=PASSWORD,_g_:GROUP,...
 # _g_\:GROUP=ROLE1,ROLE2,...
 #
-# All users, grousp, and roles entered in this file are available after Karaf startup
+# All users, groups, and roles entered in this file are available after Karaf startup
 # and modifiable via the JAAS command group. These users reside in a JAAS domain
 # with the name "karaf".
 #