IB/ipoib: Remove broken link from Kconfig and documentation

Remove references to the IPoIB IETF working group as it has been closed.
Signed-off-by: NOr Gerlitz <ogerlitz@voltaire.com>
Signed-off-by: NRoland Dreier <rolandd@cisco.com>

Documentation/infiniband/ipoib.txt

@@ -51,8 +51,6 @@ Debugging Information
 
 References
 
-  IETF IP over InfiniBand (ipoib) Working Group
-    http://ietf.org/html.charters/ipoib-charter.html
   Transmission of IP over InfiniBand (IPoIB) (RFC 4391)
     http://ietf.org/rfc/rfc4391.txt 
   IP over InfiniBand (IPoIB) Architecture (RFC 4392)

drivers/infiniband/ulp/ipoib/Kconfig

@@ -6,8 +6,7 @@ config INFINIBAND_IPOIB
 	  transports IP packets over InfiniBand so you can use your IB
 	  device as a fancy NIC.
 
-	  The IPoIB protocol is defined by the IETF ipoib working
-	  group: <http://www.ietf.org/html.charters/ipoib-charter.html>.
+	  See Documentation/infiniband/ipoib.txt for more information
 
 config INFINIBAND_IPOIB_DEBUG
 	bool "IP-over-InfiniBand debugging" if EMBEDDED