net: icplus: remove unnecessary code

Compile tested.
remove unnecessary code that matches this coccinelle pattern
	if (...)
		return ret;
	return ret;
Signed-off-by: Greg Dietsche <Gregory.Dietsche@cuw.edu>
Signed-off-by: David S. Miller <davem@conan.davemloft.net>

drivers/net/phy/icplus.c

@@ -109,11 +109,7 @@ static int ip1001_config_init(struct phy_device *phydev)
 	value = phy_read(phydev, 16);
 	value |= 0x3;
 
-	err = phy_write(phydev, 16, value);
-	if (err < 0)
-		return err;
-
-	return err;
+	return phy_write(phydev, 16, value);
 }
 
 static int ip175c_read_status(struct phy_device *phydev)