staging: rtl8192e: Remove unused variable bss_start_channel

Remove unused variable bss_start_channel.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/a13a8421d43ef1baa2077af1d4955059eba52d79.1700431464.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/dot11d.c

@@ -25,6 +25,5 @@ void dot11d_channel_map(struct rtllib_device *ieee)
 
 	for (i = 12; i <= 13; i++)
 		GET_DOT11D_INFO(ieee)->channel_map[i] = 2;
-	ieee->bss_start_channel = 10;
 }
 EXPORT_SYMBOL(dot11d_channel_map);

drivers/staging/rtl8192e/rtllib.h

@@ -1324,8 +1324,6 @@ struct rtllib_device {
 	void *dot11d_info;
 	u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
 
-	u8   bss_start_channel;
-
 	int rate;       /* current rate */
 	int basic_rate;