firewire: don't use idr_remove_all()

idr_destroy() can destroy idr by itself and idr_remove_all() is being
deprecated. Drop its usage.

Signed-off-by: Tejun Heo <[e-mail]>
Cc: Stefan Richter <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/firewire/core-cdev.c

···
 	wait_event(client->tx_flush_wait, !has_outbound_transactions(client));
 
 	idr_for_each(&client->resource_idr, shutdown_resource, client);
-	idr_remove_all(&client->resource_idr);
 	idr_destroy(&client->resource_idr);
 
 	list_for_each_entry_safe(event, next_event, &client->event_list, link)