staging: rtl8192e: Remove variable ht_info->reg_supp_cck

ht_info->reg_supp_cck is set to 1 and unchanged. Therefore all equations
result accordingly and ht_info->reg_supp_cck can be removed.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/2c9be9efb1c0608a7fc2658d813b9adbc1185db1.1702212003.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl819x_HT.h

@@ -99,7 +99,6 @@ struct rt_hi_throughput {
 	u8 cur_short_gi_40mhz;
 	u8 reg_short_gi_20mhz;
 	u8 cur_short_gi_20mhz;
-	u8 reg_supp_cck;
 	u8 bCurSuppCCK;
 	enum ht_spec_ver ePeerHTSpecVer;
 	struct ht_capab_ele SelfHTCap;

drivers/staging/rtl8192e/rtl819x_HTProc.c

@@ -74,8 +74,6 @@ void ht_update_default_setting(struct rtllib_device *ieee)
 	ht_info->reg_short_gi_20mhz = 1;
 	ht_info->reg_short_gi_40mhz = 1;
 
-	ht_info->reg_supp_cck = 1;
-
 	ht_info->amsdu_max_size = 7935UL;
 	ht_info->amsdu_support = 0;
 
@@ -281,7 +279,7 @@ void HTConstructCapabilityElement(struct rtllib_device *ieee, u8 *posHTCap,
 	pCapELE->RxSTBC			= 0;
 	pCapELE->DelayBA		= 0;
 	pCapELE->MaxAMSDUSize = (MAX_RECEIVE_BUFFER_SIZE >= 7935) ? 1 : 0;
-	pCapELE->DssCCk = (pHT->reg_supp_cck ? 1 : 0);
+	pCapELE->DssCCk = 1;
 	pCapELE->PSMP = 0;
 	pCapELE->LSigTxopProtect = 0;
 
@@ -480,9 +478,7 @@ void HTOnAssocRsp(struct rtllib_device *ieee)
 				     ((pPeerHTCap->ShortGI40Mhz == 1) ?
 				     true : false) : false);
 
-	ht_info->bCurSuppCCK = ((ht_info->reg_supp_cck) ?
-			       ((pPeerHTCap->DssCCk == 1) ? true :
-			       false) : false);
+	ht_info->bCurSuppCCK = ((pPeerHTCap->DssCCk == 1) ? true : false);
 
 	ht_info->bCurrent_AMSDU_Support = ht_info->amsdu_support;