[NET]: kconfig, correct traffic shaper

As Patrick McHardy <[e-mail]> suggested, Traffic Shaper is now
obsolete and alternative to it is no longer CBQ, since its problems with
virtual devices, alter Kconfig text to reflect this -- put a link to the
traffic schedulers as a whole.

Signed-off-by: Jiri Slaby <[e-mail]>
Acked-by: Patrick McHardy <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: David S. Miller <[e-mail]>

drivers/net/Kconfig

···
 	  "SCSI generic support".
 
 config SHAPER
-	tristate "Traffic Shaper (EXPERIMENTAL)"
+	tristate "Traffic Shaper (OBSOLETE)"
 	depends on EXPERIMENTAL
 	---help---
 	  The traffic shaper is a virtual network device that allows you to
···
 	  these virtual devices. See
 	  <file:Documentation/networking/shaper.txt> for more information.
 
-	  An alternative to this traffic shaper is the experimental
-	  Class-Based Queuing (CBQ) scheduling support which you get if you
-	  say Y to "QoS and/or fair queuing" above.
+	  An alternative to this traffic shaper are traffic schedulers which
+	  you'll get if you say Y to "QoS and/or fair queuing" in
+	  "Networking options".
 
 	  To compile this driver as a module, choose M here: the module
 	  will be called shaper.  If unsure, say N.