staging: rtl8192e: Remove unused variable ChannelAccessSetting

ChannelAccessSetting is never used. Remove resulting dead code.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/b88a31954532f47a4caf9abfcad8e20b32a618cc.1669156825.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_core.h

@@ -234,15 +234,6 @@ struct rt_stats {
 	u32	CurrentShowTxate;
 };
 
-struct channel_access_setting {
-	u16 SIFS_Timer;
-	u16 DIFS_Timer;
-	u16 SlotTimeTimer;
-	u16 EIFS_Timer;
-	u16 CWminIndex;
-	u16 CWmaxIndex;
-};
-
 struct init_gain {
 	u8	xaagccore1;
 	u8	xbagccore1;
@@ -321,9 +312,6 @@ struct r8192_priv {
 	struct delayed_work		txpower_tracking_wq;
 	struct delayed_work		rfpath_check_wq;
 	struct delayed_work		gpio_change_rf_wq;
-
-	struct channel_access_setting ChannelAccessSetting;
-
 	struct rtl819x_ops			*ops;
 	struct rtllib_device			*rtllib;