tulip: de2104x: use module_pci_driver to simplify the code

Use the module_pci_driver() macro to make the code simpler
by eliminating module_init and module_exit calls.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/dec/tulip/de2104x.c

@@ -2193,15 +2193,4 @@ static struct pci_driver de_driver = {
 	.driver.pm	= &de_pm_ops,
 };
 
-static int __init de_init (void)
-{
-	return pci_register_driver(&de_driver);
-}
-
-static void __exit de_exit (void)
-{
-	pci_unregister_driver (&de_driver);
-}
-
-module_init(de_init);
-module_exit(de_exit);
+module_pci_driver(de_driver);