regulator: ab8500: Remove ab8500_regulator_debug_init/exit()

CONFIG_REGULATOR_AB8500_DEBUG is always not defined.
ab8500_regulator_debug_init() is not called at all now,
ab8500_regulator_debug_exit() simply return 0, thus remove them.

Signed-off-by: Axel Lin <[e-mail]>
Reviewed-by: Linus Walleij <[e-mail]>
Signed-off-by: Mark Brown <[e-mail]>

drivers/regulator/ab8500.c

···
 	return 0;
 }
 
-static int ab8500_regulator_remove(struct platform_device *pdev)
-{
-	int err;
-
-	/* remove regulator debug */
-	err = ab8500_regulator_debug_exit(pdev);
-	if (err)
-		return err;
-
-	return 0;
-}
-
 static struct platform_driver ab8500_regulator_driver = {
 	.probe = ab8500_regulator_probe,
-	.remove = ab8500_regulator_remove,
 	.driver         = {
 		.name   = "ab8500-regulator",
 		.owner  = THIS_MODULE,

include/linux/regulator/ab8500.h

···
 	struct regulator_init_data *ext_regulator;
 };
 
-#ifdef CONFIG_REGULATOR_AB8500_DEBUG
-int ab8500_regulator_debug_init(struct platform_device *pdev);
-int ab8500_regulator_debug_exit(struct platform_device *pdev);
-#else
-static inline int ab8500_regulator_debug_init(struct platform_device *pdev)
-{
-	return 0;
-}
-static inline int ab8500_regulator_debug_exit(struct platform_device *pdev)
-{
-	return 0;
-}
-#endif
-
 #endif