staging: rtl8192e: Remove ibss_maxjoin_chal

Remove ibss_maxjoin_chal as it is just set and never evaluated.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/7c5d512a69e5832263a0a2e8f4ea3608fe286a09.1696165351.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/dot11d.c

@@ -73,19 +73,16 @@ void dot11d_channel_map(u8 channel_plan, struct rtllib_device *ieee)
 		for (i = 12; i <= 14; i++)
 			GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
 		ieee->bss_start_channel = 10;
-		ieee->ibss_maxjoin_chal = 11;
 		break;
 
 	case COUNTRY_CODE_WORLD_WIDE_13:
 		for (i = 12; i <= 13; i++)
 			GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
 		ieee->bss_start_channel = 10;
-		ieee->ibss_maxjoin_chal = 11;
 		break;
 
 	default:
 		ieee->bss_start_channel = 1;
-		ieee->ibss_maxjoin_chal = 14;
 		break;
 	}
 }

drivers/staging/rtl8192e/rtllib.h

@@ -1339,7 +1339,6 @@ struct rtllib_device {
 	u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
 
 	u8   bss_start_channel;
-	u8   ibss_maxjoin_chal;
 
 	int rate;       /* current rate */
 	int basic_rate;