rt2x00: Remove unused variables

With the updated antenna setup the following
variables are no longer used.

Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c
index 5fd109a..a38a962 100644
--- a/drivers/net/wireless/rt2x00/rt61pci.c
+++ b/drivers/net/wireless/rt2x00/rt61pci.c
@@ -527,11 +527,9 @@
 static void rt61pci_config_antenna_2529(struct rt2x00_dev *rt2x00dev,
 					struct antenna_setup *ant)
 {
-	u16 eeprom;
 	u8 r3;
 	u8 r4;
 	u8 r77;
-	u8 rx_ant;
 
 	rt61pci_bbp_read(rt2x00dev, 3, &r3);
 	rt61pci_bbp_read(rt2x00dev, 4, &r4);