staging: rtl8192e: Remove repeated set to zero of powerlevel and friend

Variables powerlevel and powerlevelOFDM24G are initialized to zero and
unchanged. No reason to set them to zero again. Remove dead code.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/50f28816aa006821d3e3a8346e39ae68c4d53963.1674244819.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c

@@ -591,13 +591,7 @@ void rtl92e_set_tx_power(struct net_device *dev, u8 channel)
 		powerlevel = priv->tx_pwr_level_cck[channel - 1];
 		powerlevelOFDM24G = priv->tx_pwr_level_ofdm_24g[channel - 1];
 	} else if (priv->epromtype == EEPROM_93C56) {
-		if (priv->rf_type == RF_1T2R) {
-			powerlevel = 0;
-			powerlevelOFDM24G = 0;
-		} else if (priv->rf_type == RF_2T4R) {
-			powerlevel = 0;
-			powerlevelOFDM24G = 0;
-
+		if (priv->rf_type == RF_2T4R) {
 			priv->antenna_tx_pwr_diff[2] = 0;
 			priv->antenna_tx_pwr_diff[1] = 0;
 			priv->antenna_tx_pwr_diff[0] = 0;