Documentation: Drop reference to dead "eicon" kernel paramter.

Signed-off-by: Robert P. J. Day <rpjday@mindspring.com>
Acked-by: Armin Schindler <armin@melware.de>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 0a3fed4..98062e1 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -614,9 +614,6 @@
 			Format: {"of[f]" | "sk[ipmbr]"}
 			See comment in arch/i386/boot/edd.S
 
-	eicon=		[HW,ISDN]
-			Format: <id>,<membase>,<irq>
-
 	eisa_irq_edge=	[PARISC,HW]
 			See header of drivers/parisc/eisa.c.