Bluetooth: Fix Kconfig help description

SMP is not a kernel module, it is part of Bluetooth Core (as already
described in lines above).

Signed-off-by: Andre Guedes <andre.guedes@openbossa.org>
Acked-by: Gustavo F. Padovan <padovan@profusion.mobi>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>

net/bluetooth/Kconfig

@@ -29,7 +29,6 @@ menuconfig BT
 	     BNEP Module (Bluetooth Network Encapsulation Protocol)
 	     CMTP Module (CAPI Message Transport Protocol)
 	     HIDP Module (Human Interface Device Protocol)
-	     SMP Module (Security Manager Protocol)
 
 	  Say Y here to compile Bluetooth support into the kernel or say M to
 	  compile it as module (bluetooth).