staging: rtl8192e: Remove unused variable rfintfi

Remove unused variable rfintfi because it is just once set and not used.
Remove unused constants as well.
Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Reviewed-by: Dan Carpenter <error27@gmail.com>
Link: https://lore.kernel.org/r/f251186fe59855eee3dd465954700a1d0ec50f53.1678569965.git.philipp.g.hortmann@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8192e/rtl8192e/r8190P_def.h

@@ -103,7 +103,6 @@ enum rf_optype {
 
 struct bb_reg_definition {
 	u32 rfintfs;
-	u32 rfintfi;
 	u32 rfintfo;
 	u32 rfintfe;
 	u32 rf3wireOffset;

drivers/staging/rtl8192e/rtl8192e/r8192E_phy.c

@@ -359,11 +359,6 @@ static void _rtl92e_init_bb_rf_reg_def(struct net_device *dev)
 	priv->phy_reg_def[RF90_PATH_A].rfintfs = rFPGA0_XAB_RFInterfaceSW;
 	priv->phy_reg_def[RF90_PATH_B].rfintfs = rFPGA0_XAB_RFInterfaceSW;
 
-	priv->phy_reg_def[RF90_PATH_A].rfintfi = rFPGA0_XAB_RFInterfaceRB;
-	priv->phy_reg_def[RF90_PATH_B].rfintfi = rFPGA0_XAB_RFInterfaceRB;
-	priv->phy_reg_def[RF90_PATH_C].rfintfi = rFPGA0_XCD_RFInterfaceRB;
-	priv->phy_reg_def[RF90_PATH_D].rfintfi = rFPGA0_XCD_RFInterfaceRB;
-
 	priv->phy_reg_def[RF90_PATH_A].rfintfo = rFPGA0_XA_RFInterfaceOE;
 	priv->phy_reg_def[RF90_PATH_B].rfintfo = rFPGA0_XB_RFInterfaceOE;
 	priv->phy_reg_def[RF90_PATH_C].rfintfo = rFPGA0_XC_RFInterfaceOE;

drivers/staging/rtl8192e/rtl8192e/r8192E_phyreg.h

@@ -80,8 +80,6 @@
 #define rFPGA0_XC_LSSIReadBack		0x8a8
 #define rFPGA0_XD_LSSIReadBack		0x8ac
 #define rFPGA0_PSDReport		0x8b4
-#define rFPGA0_XAB_RFInterfaceRB	0x8e0
-#define rFPGA0_XCD_RFInterfaceRB	0x8e4
 
 /* Page 9 - RF mode & OFDM TxSC */
 #define rFPGA1_RFMOD			0x900