regulator: remove use of __devexit

CONFIG_HOTPLUG is going away as an option so __devexit is no
longer needed.

Signed-off-by: Bill Pemberton <wfp5p@virginia.edu>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/drivers/regulator/wm831x-isink.c b/drivers/regulator/wm831x-isink.c
index ac4bdff..68586ee 100644
--- a/drivers/regulator/wm831x-isink.c
+++ b/drivers/regulator/wm831x-isink.c
@@ -221,7 +221,7 @@
 	return ret;
 }
 
-static __devexit int wm831x_isink_remove(struct platform_device *pdev)
+static int wm831x_isink_remove(struct platform_device *pdev)
 {
 	struct wm831x_isink *isink = platform_get_drvdata(pdev);