staging: rtl8192e: Remove wireless mode WIRELESS_MODE_N_5G

Remove WIRELESS_MODE_N_5G from equations as it is not supported by
hardware and to improve readability.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/fdefd4d706493fa3f080550d31eb5bea3f4e1a7e.1679949171.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -581,8 +581,7 @@ static void _rtl92e_refresh_support_rate(struct r8192_priv *priv)
 {
 	struct rtllib_device *ieee = priv->rtllib;
 
-	if (ieee->mode == WIRELESS_MODE_N_24G ||
-	    ieee->mode == WIRELESS_MODE_N_5G) {
+	if (ieee->mode == WIRELESS_MODE_N_24G) {
 		memcpy(ieee->reg_dot11ht_oper_rate_set,
 		       ieee->reg_ht_supp_rate_set, 16);
 		memcpy(ieee->reg_dot11tx_ht_oper_rate_set,

drivers/staging/rtl8192e/rtl8192e/rtl_dm.c

@@ -296,8 +296,7 @@ static void _rtl92e_dm_check_rate_adaptive(struct net_device *dev)
 	if (pra->rate_adaptive_disabled)
 		return;
 
-	if (!(priv->rtllib->mode == WIRELESS_MODE_N_24G ||
-	    priv->rtllib->mode == WIRELESS_MODE_N_5G))
+	if (priv->rtllib->mode != WIRELESS_MODE_N_24G)
 		return;
 
 	if (priv->rtllib->state == RTLLIB_LINKED) {
@@ -971,8 +970,7 @@ void rtl92e_dm_restore_state(struct net_device *dev)
 
 	if (priv->rate_adaptive.rate_adaptive_disabled)
 		return;
-	if (!(priv->rtllib->mode == WIRELESS_MODE_N_24G ||
-	      priv->rtllib->mode == WIRELESS_MODE_N_5G))
+	if (priv->rtllib->mode != WIRELESS_MODE_N_24G)
 		return;
 	ratr_value = reg_ratr;
 	ratr_value &= ~(RATE_ALL_OFDM_2SS);