Kobject: convert remaining kobject_unregister() to kobject_put()

There is no need for kobject_unregister() anymore, thanks to Kay's
kobject cleanup changes, so replace all instances of it with
kobject_put().


Cc: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

kernel/ksysfs.c

@@ -154,7 +154,7 @@ notes_exit:
 group_exit:
 	sysfs_remove_group(kernel_kobj, &kernel_attr_group);
 kset_exit:
-	kobject_unregister(kernel_kobj);
+	kobject_put(kernel_kobj);
 exit:
 	return error;
 }