staging: rtl8723bs: hal: Remove unused variable

Remove local variable psdio which is declared but not used (or returned)
in its function.
Issue found with Coccinelle.
Signed-off-by: NNishka Dasgupta <nishka.dasgupta@yahoo.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8723bs/hal/sdio_ops.c

@@ -1207,7 +1207,6 @@ u8 RecvOnePkt(struct adapter *adapter, u32 size)
 {
 	struct recv_buf *recvbuf;
 	struct dvobj_priv *sddev;
-	struct sdio_data *psdio;
 	struct sdio_func *func;
 
 	u8 res = false;