drivers/leds/leds-tca6507.c: remove obsolete cleanup for clientdata

A few new i2c-drivers came into the kernel which clear the
clientdata-pointer on exit or error.  This is obsolete meanwhile, the
core will do it.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: NeilBrown <neilb@suse.de>
Cc: Richard Purdie <rpurdie@linux.intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/leds/leds-tca6507.c

@@ -743,7 +743,6 @@ static int __devexit tca6507_remove(struct i2c_client *client)
 	}
 	tca6507_remove_gpio(tca);
 	cancel_work_sync(&tca->work);
-	i2c_set_clientdata(client, NULL);
 	kfree(tca);
 
 	return 0;