staging: rtl8723bs: remove unused variables

It seems these two operations are just dead code. The values of these
variables are not used subsequently.
Signed-off-by: Aastha Gupta <aastha.gupta4104@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/core/rtw_ioctl_set.c

@@ -590,14 +590,10 @@ u8 rtw_set_802_11_authentication_mode(struct adapter *padapter, enum NDIS_802_11
 u8 rtw_set_802_11_add_wep(struct adapter *padapter, struct ndis_802_11_wep *wep)
 {
 
-	u8 bdefaultkey;
-	u8 btransmitkey;
 	sint		keyid, res;
 	struct security_priv *psecuritypriv = &(padapter->securitypriv);
 	u8 ret = _SUCCESS;
 
-	bdefaultkey = (wep->KeyIndex & 0x40000000) > 0 ? false : true;   /* for ??? */
-	btransmitkey = (wep->KeyIndex & 0x80000000) > 0 ? true  : false;	/* for ??? */
 	keyid = wep->KeyIndex & 0x3fffffff;
 
 	if (keyid >= 4) {