net/wireless: ipw2x00: remove WEXT_USECHANNELS define

Driver does not use it any more.
Signed-off-by: Stanislav Yakovlev <stas.yakovlev@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ipw2x00/ipw2100.c

@@ -298,8 +298,6 @@ static const char *command_types[] = {
 };
 #endif
 
-#define WEXT_USECHANNELS 1
-
 static const long ipw2100_frequencies[] = {
 	2412, 2417, 2422, 2427,
 	2432, 2437, 2442, 2447,

drivers/net/wireless/ipw2x00/ipw2200.h

@@ -27,8 +27,6 @@
 #ifndef __ipw2200_h__
 #define __ipw2200_h__
 
-#define WEXT_USECHANNELS 1
-
 #include <linux/module.h>
 #include <linux/moduleparam.h>
 #include <linux/init.h>