i2c: mediatek: remove completion_done()

Completion_done() is useless when we don't use its return value,
so we remove it.
Signed-off-by: qii wang <qii.wang@mediatek.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-mt65xx.c

@@ -642,8 +642,6 @@ static int mtk_i2c_do_transfer(struct mtk_i2c *i2c, struct i2c_msg *msgs,
 		return -ETIMEDOUT;
 	}
 
-	completion_done(&i2c->msg_complete);
-
 	if (i2c->irq_stat & (I2C_HS_NACKERR | I2C_ACKERR)) {
 		dev_dbg(i2c->dev, "addr: %x, transfer ACK error\n", msgs->addr);
 		mtk_i2c_init_hw(i2c);