staging: rtl8723bs: remove 5 GHz code

Acoording to the TODO code valid only for 5 GHz should be removed.

- find and remove remaining code valid only for 5 GHz. Most of the obvious
  ones have been removed, but things like channel > 14 still exist.

Remove code path only valid for channels > 14.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20200913162206.19477-2-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_wlan_util.c

@@ -1724,14 +1724,6 @@ void update_wireless_mode(struct adapter *padapter)
 	if ((pmlmeinfo->HT_info_enable) && (pmlmeinfo->HT_caps_enable))
 		pmlmeinfo->HT_enable = 1;
 
-	if (pmlmeext->cur_channel > 14) {
-		if (pmlmeinfo->VHT_enable)
-			network_type = WIRELESS_11AC;
-		else if (pmlmeinfo->HT_enable)
-			network_type = WIRELESS_11_5N;
-
-		network_type |= WIRELESS_11A;
-	} else {
 	if (pmlmeinfo->VHT_enable)
 		network_type = WIRELESS_11AC;
 	else if (pmlmeinfo->HT_enable)
@@ -1743,7 +1735,6 @@ void update_wireless_mode(struct adapter *padapter)
 		network_type |= WIRELESS_11BG;
 	else
 		network_type |= WIRELESS_11G;
-	}
 
 	pmlmeext->cur_wireless_mode = network_type & padapter->registrypriv.wireless_mode;