staging: rtl8192e: Remove unused variables from struct rt_dot11d_info

Remove unused variables country_len, country_buffer, country_src_addr and
max_tx_power_list. Remove comments about usage as well.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/eeb9915d68c353554973e1056893371d15381f88.1700431464.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/dot11d.c

@@ -18,9 +18,7 @@ void dot11d_init(struct rtllib_device *ieee)
 {
 	struct rt_dot11d_info *dot11d_info = GET_DOT11D_INFO(ieee);
 
-	dot11d_info->country_len = 0;
 	memset(dot11d_info->channel_map, 0, MAX_CHANNEL_NUMBER + 1);
-	memset(dot11d_info->max_tx_power_list, 0xFF, MAX_CHANNEL_NUMBER + 1);
 	RESET_CIE_WATCHDOG(ieee);
 }
 EXPORT_SYMBOL(dot11d_init);

drivers/staging/rtl8192e/dot11d.h

@@ -17,23 +17,16 @@ struct chnl_txpow_triple {
 };
 
 /**
- * struct rt_dot11d_info * @country_len: value greater than 0 if
- *		  @country_buffer contains valid country information element.
+ * struct rt_dot11d_info
  * @channel_map: holds channel values
  *		0 - invalid,
  *		1 - valid (active scan),
  *		2 - valid (passive scan)
- * @country_src_addr - Source AP of the country IE
  */
 
 struct rt_dot11d_info {
-	u16 country_len;
-	u8  country_buffer[MAX_IE_LEN];
-	u8  country_src_addr[6];
 	u8  country_watchdog;
-
 	u8  channel_map[MAX_CHANNEL_NUMBER + 1];
-	u8  max_tx_power_list[MAX_CHANNEL_NUMBER + 1];
 };
 
 #define GET_DOT11D_INFO(__ieee_dev)			\