Documentation: Delete dead OSS-related kernel parameter.

Since the OSS-related "sb" kernel parameter doesn't seem to be
supported, drop its reference from the kernel-parameters.txt file.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 98062e1..b9a7722 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1579,9 +1579,6 @@
 	sa1100ir	[NET]
 			See drivers/net/irda/sa1100_ir.c.
 
-	sb=		[HW,OSS]
-			Format: <io>,<irq>,<dma>,<dma2>
-
 	sbni=		[NET] Granch SBNI12 leased line adapter
 
 	sc1200wdt=	[HW,WDT] SC1200 WDT (watchdog) driver