USB: convert drivers/input/* to use module_usb_driver()

This converts the drivers in drivers/input/* to use the
module_usb_driver() macro which makes the code smaller and a bit
simpler.

Added bonus is that it removes some unneeded kernel log messages about
drivers loading and/or unloading.

Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Ville Syrjala <syrjala@sci.fi>
Cc: Henk Vergonet <Henk.Vergonet@gmail.com>
Cc: Alessandro Rubini <rubini@ipvvis.unipv.it>
Cc: Henrik Rydberg <rydberg@euromail.se>
Cc: "Magnus Hörlin" <magnus@alefors.se>
Cc: Chris Moeller <kode54@gmail.c>
Cc: Christoph Fritz <chf.fritz@googlemail.com>
Cc: Lucas De Marchi <lucas.demarchi@profusion.mobi>
Cc: Jesper Juhl <jj@chaosbits.net>
Cc: Edwin van Vliet <edwin@cheatah.nl>
Cc: Ping Cheng <pingc@wacom.com>
Cc: Eduard Hasenleithner <eduard@hasenleithner.at>
Cc: Alexander Strakh <strakh@ispras.ru>
Cc: Glenn Sommer <gsommer@datanordisk.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
diff --git a/drivers/input/misc/ati_remote2.c b/drivers/input/misc/ati_remote2.c
index 8d345e8..874a51c 100644
--- a/drivers/input/misc/ati_remote2.c
+++ b/drivers/input/misc/ati_remote2.c
@@ -1010,23 +1010,4 @@
 	return r;
 }
 
-static int __init ati_remote2_init(void)
-{
-	int r;
-
-	r = usb_register(&ati_remote2_driver);
-	if (r)
-		printk(KERN_ERR "ati_remote2: usb_register() = %d\n", r);
-	else
-		printk(KERN_INFO "ati_remote2: " DRIVER_DESC " " DRIVER_VERSION "\n");
-
-	return r;
-}
-
-static void __exit ati_remote2_exit(void)
-{
-	usb_deregister(&ati_remote2_driver);
-}
-
-module_init(ati_remote2_init);
-module_exit(ati_remote2_exit);
+module_usb_driver(ati_remote2_driver);