ar9170: Remove MODULE_FIRMWARE references to two-stage firmware

The combined firmware ar9170.fw is preferred and supports all devices.
References to the older two-stage firmware are unnecessary.

Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/ath/ar9170/usb.c

@@ -54,8 +54,6 @@ MODULE_AUTHOR("Christian Lamparter <chunkeey@web.de>");
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("Atheros AR9170 802.11n USB wireless");
 MODULE_FIRMWARE("ar9170.fw");
-MODULE_FIRMWARE("ar9170-1.fw");
-MODULE_FIRMWARE("ar9170-2.fw");
 
 enum ar9170_requirements {
 	AR9170_REQ_FW1_ONLY = 1,