driver core:fix duplicate removing driver link in __device_release_driver

In __device_release_driver(),driver_sysfs_remove() has removed the
driver link under device dir in sysfs, but sysfs_remove_link() is
called again to do such thing. Remove the duplicate call to
sys_remove_link().
Signed-off-by: NMing Lei <tom.leiming@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/base/dd.c

@@ -298,7 +298,6 @@ static void __device_release_driver(struct device *dev)
 	drv = dev->driver;
 	if (drv) {
 		driver_sysfs_remove(dev);
-		sysfs_remove_link(&dev->kobj, "driver");
 
 		if (dev->bus)
 			blocking_notifier_call_chain(&dev->bus->p->bus_notifier,