net: wireless: wl1251: Remove unnecessary free_irq

This patch does away with free_irq in the remove function as the irq is
allocated with a devm_request_irq.
Signed-off-by: NHimangi Saraogi <himangi774@gmail.com>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ti/wl1251/spi.c

@@ -345,7 +345,6 @@ static int wl1251_spi_remove(struct spi_device *spi)
 {
 	struct wl1251 *wl = spi_get_drvdata(spi);
 
-	free_irq(wl->irq, wl);
 	wl1251_free_hw(wl);
 	regulator_disable(wl->vio);