staging: rtl8192e: Remove priv->rf_chip in _rtl92e_get_channel_map

priv->rf_chip is initialized to RF_8256 and never changed. Remove
condition in function _rtl92e_get_channel_map as it is dead code.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/b8c5a719c6f8930adb87a4ad9bd5d368ba5f348b.1679732276.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/rtl_core.c

@@ -895,13 +895,6 @@ static short _rtl92e_get_channel_map(struct net_device *dev)
 
 	struct r8192_priv *priv = rtllib_priv(dev);
 
-	if ((priv->rf_chip != RF_8225) && (priv->rf_chip != RF_8256) &&
-						(priv->rf_chip != RF_6052)) {
-		netdev_err(dev, "%s: unknown rf chip, can't set channel map\n",
-			   __func__);
-		return -1;
-	}
-
 	if (priv->chnl_plan >= COUNTRY_CODE_MAX) {
 		netdev_info(dev,
 			    "rtl819x_init:Error channel plan! Set to default.\n");