staging: rtl8192e: Remove constant variable forced_short_gi

ht_info->forced_short_gi is set to 0 and unchanged. Therefore all equations
result accordingly and ht_info->forced_short_gi can be removed.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/fc5711032c658af6ae6c5a7a98c52871c29f8c33.1702406712.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl819x_HT.h

@@ -110,7 +110,6 @@ struct rt_hi_throughput {
 	u8 current_mpdu_density;
 	u8 forced_ampdu_factor;
 	u8 forced_mpdu_density;
-	u8 forced_short_gi;
 	u8 current_op_mode;
 	enum ht_extchnl_offset CurSTAExtChnlOffset;
 	u8 cur_tx_bw40mhz;

drivers/staging/rtl8192e/rtl819x_HTProc.c

@@ -527,7 +527,6 @@ void HTInitializeHTInfo(struct rtllib_device *ieee)
 
 	ht_info->cur_short_gi_20mhz = false;
 	ht_info->cur_short_gi_40mhz = false;
-	ht_info->forced_short_gi = false;
 
 	ht_info->current_mpdu_density = ht_info->mpdu_density;
 	ht_info->CurrentAMPDUFactor = ht_info->ampdu_factor;

drivers/staging/rtl8192e/rtllib_tx.c

@@ -340,11 +340,6 @@ static void rtllib_query_HTCapShortGI(struct rtllib_device *ieee,
 	if (!ht_info->current_ht_support || !ht_info->enable_ht)
 		return;
 
-	if (ht_info->forced_short_gi) {
-		tcb_desc->bUseShortGI = true;
-		return;
-	}
-
 	if (ht_info->cur_bw_40mhz && ht_info->cur_short_gi_40mhz)
 		tcb_desc->bUseShortGI = true;
 	else if (!ht_info->cur_bw_40mhz && ht_info->cur_short_gi_20mhz)