b43: Remove some dead code

Index: wireless-testing/drivers/net/wireless/b43/lo.c
===================================================================
@@ -55,28 +55,26 @@ static struct b43_lo_calib * b43_find_lo
 
 /* Write the LocalOscillator Control (adjust) value-pair. */
 static void b43_lo_write(struct b43_wldev *dev, struct b43_loctl *control)
 {
 	struct b43_phy *phy = &dev->phy;
 	u16 value;
-	u16 reg;
 
 	if (B43_DEBUG) {
 		if (unlikely(abs(control->i) > 16 || abs(control->q) > 16)) {
 			b43dbg(dev->wl, "Invalid LO control pair "
 			       "(I: %d, Q: %d)\n", control->i, control->q);
 			dump_stack();
 			return;
 		}
 	}
+	B43_WARN_ON(phy->type != B43_PHYTYPE_G);
 
 	value = (u8) (control->q);
 	value |= ((u8) (control->i)) << 8;
-
-	reg = (phy->type == B43_PHYTYPE_B) ? 0x002F : B43_PHY_LO_CTL;
-	b43_phy_write(dev, reg, value);
+	b43_phy_write(dev, B43_PHY_LO_CTL, value);
 }
 
 static u16 lo_measure_feedthrough(struct b43_wldev *dev,
 				  u16 lna, u16 pga, u16 trsw_rx)
 {
 	struct b43_phy *phy = &dev->phy;

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