staging: rtl8192e: Remove unused variable global_domain

global_domain is initialized to false and then never used.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/r/5e7a0753ed9d6d934203fe29ab8ecef41090f055.1700431464.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/dot11d.c

@@ -26,8 +26,6 @@ void dot11d_channel_map(struct rtllib_device *ieee)
 {
 	int i;
 
-	ieee->global_domain = false;
-
 	memset(GET_DOT11D_INFO(ieee)->channel_map, 0,
 	       sizeof(GET_DOT11D_INFO(ieee)->channel_map));
 	for (i = 0; i < channel_array.len; i++)

drivers/staging/rtl8192e/rtllib.h

@@ -1322,7 +1322,6 @@ struct rtllib_device {
 
 	/* map of allowed channels. 0 is dummy */
 	void *dot11d_info;
-	bool global_domain;
 	u8 active_channel_map[MAX_CHANNEL_NUMBER+1];
 
 	u8   bss_start_channel;