net: stmmac: dwmac-sun8i: Remove unnecessary PHY power check

sun8i_dwmac_unpower_internal_phy already checks if the PHY is powered,
so there is no need to do it again here.
Reviewed-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/stmicro/stmmac/dwmac-sun8i.c

@@ -1018,10 +1018,8 @@ static void sun8i_dwmac_exit(struct platform_device *pdev, void *priv)
 {
 	struct sunxi_priv_data *gmac = priv;
 
-	if (gmac->variant->soc_has_internal_phy) {
-		if (gmac->internal_phy_powered)
-			sun8i_dwmac_unpower_internal_phy(gmac);
-	}
+	if (gmac->variant->soc_has_internal_phy)
+		sun8i_dwmac_unpower_internal_phy(gmac);
 
 	clk_disable_unprepare(gmac->tx_clk);