W1: ds2490.c ds_write_block remove extra ds_wait_status

Drop the extra ds_wait_status() in ds_write_block().

Signed-off-by: David Fries <[e-mail]>
Signed-off-by: Evgeniy Polyakov <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/w1/masters/ds2490.c

···
 	if (err < 0)
 		return err;
 
-	ds_wait_status(dev, &st);
-
 	err = ds_send_control(dev, COMM_BLOCK_IO | COMM_IM | COMM_SPU, len);
 	if (err)
 		return err;