staging: rtl8723bs: core: Remove function enable_rate_adaptive()

Remove function enable_rate_adaptive as all it does is call
Update_RA_Entry.
Modify the single callsite of enable_rate_adaptive to call
Update_RA_Entry directly instead.
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/core/rtw_wlan_util.c

@@ -1615,16 +1615,10 @@ void Update_RA_Entry(struct adapter *padapter, struct sta_info *psta)
 	rtw_hal_update_ra_mask(psta, 0);
 }
 
-void enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta);
-void enable_rate_adaptive(struct adapter *padapter, struct sta_info *psta)
-{
-	Update_RA_Entry(padapter, psta);
-}
-
 void set_sta_rate(struct adapter *padapter, struct sta_info *psta)
 {
 	/* rate adaptive */
-	enable_rate_adaptive(padapter, psta);
+	Update_RA_Entry(padapter, psta);
 }
 
 unsigned char check_assoc_AP(u8 *pframe, uint len)