staging: rtl8723bs: hal: sdio_halinit.c: Remove variables

Remove the variables RegRATR and RegRRSR as they are never used after
initialisation and assignment.
Issue found with Coccinelle.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/sdio_halinit.c

@@ -614,7 +614,6 @@ static void _InitOperationMode(struct adapter *padapter)
 	struct hal_com_data *pHalData;
 	struct mlme_ext_priv *pmlmeext;
 	u8 regBwOpMode = 0;
-	u32 regRATR = 0, regRRSR = 0;
 
 	pHalData = GET_HAL_DATA(padapter);
 	pmlmeext = &padapter->mlmeextpriv;
@@ -626,34 +625,24 @@ static void _InitOperationMode(struct adapter *padapter)
 	switch (pmlmeext->cur_wireless_mode) {
 	case WIRELESS_MODE_B:
 		regBwOpMode = BW_OPMODE_20MHZ;
-		regRATR = RATE_ALL_CCK;
-		regRRSR = RATE_ALL_CCK;
 		break;
 	case WIRELESS_MODE_A:
 /* 			RT_ASSERT(false, ("Error wireless a mode\n")); */
 		break;
 	case WIRELESS_MODE_G:
 		regBwOpMode = BW_OPMODE_20MHZ;
-		regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
-		regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
 		break;
 	case WIRELESS_MODE_AUTO:
 		regBwOpMode = BW_OPMODE_20MHZ;
-		regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
-		regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
 		break;
 	case WIRELESS_MODE_N_24G:
 		/*  It support CCK rate by default. */
 		/*  CCK rate will be filtered out only when associated AP does not support it. */
 		regBwOpMode = BW_OPMODE_20MHZ;
-		regRATR = RATE_ALL_CCK | RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
-		regRRSR = RATE_ALL_CCK | RATE_ALL_OFDM_AG;
 		break;
 	case WIRELESS_MODE_N_5G:
 /* 			RT_ASSERT(false, ("Error wireless mode")); */
 		regBwOpMode = BW_OPMODE_5G;
-		regRATR = RATE_ALL_OFDM_AG | RATE_ALL_OFDM_1SS | RATE_ALL_OFDM_2SS;
-		regRRSR = RATE_ALL_OFDM_AG;
 		break;
 
 	default: /* for MacOSX compiler warning. */