wifi: rtlwifi: rtl8192se: Remove some unused variables

Variables bcntime_cfg, bcn_cw and bcn_ifs are not effectively used, so
delete them.

drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c:1555:6: warning: variable 'bcntime_cfg' set but not used.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Link: https://bugzilla.openanolis.cn/show_bug.cgi?id=4240Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20230302023911.59278-1-jiapeng.chong@linux.alibaba.com

drivers/net/wireless/realtek/rtlwifi/rtl8192se/hw.c

@@ -1552,8 +1552,6 @@ void rtl92se_set_beacon_related_registers(struct ieee80211_hw *hw)
 {
 	struct rtl_priv *rtlpriv = rtl_priv(hw);
 	struct rtl_mac *mac = rtl_mac(rtl_priv(hw));
-	u16 bcntime_cfg = 0;
-	u16 bcn_cw = 6, bcn_ifs = 0xf;
 	u16 atim_window = 2;
 
 	/* ATIM Window (in unit of TU). */
@@ -1576,13 +1574,6 @@ void rtl92se_set_beacon_related_registers(struct ieee80211_hw *hw)
 	 * other ad hoc STA */
 	rtl_write_byte(rtlpriv, BCN_ERR_THRESH, 100);
 
-	/* Beacon Time Configuration */
-	if (mac->opmode == NL80211_IFTYPE_ADHOC)
-		bcntime_cfg |= (bcn_cw << BCN_TCFG_CW_SHIFT);
-
-	/* TODO: bcn_ifs may required to be changed on ASIC */
-	bcntime_cfg |= bcn_ifs << BCN_TCFG_IFS;
-
 	/*for beacon changed */
 	rtl92s_phy_set_beacon_hwreg(hw, mac->beacon_interval);
 }