serial: CONSOLE macro is not used

Signed-off-by: Michal Simek <monstr@monstr.eu>
Acked-by: Mike Frysinger <vapier@gentoo.org>
diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index 0d6ad62..b10bab7 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -84,9 +84,6 @@
 };
 
 #define PORT	serial_ports[port-1]
-#if defined(CONFIG_CONS_INDEX)
-#define CONSOLE	(serial_ports[CONFIG_CONS_INDEX-1])
-#endif
 
 #if defined(CONFIG_SERIAL_MULTI)