net: fec: remove redundant ipg clock disable

Don't disable the ipg clock in the regulator error path. The clock is
disable unconditionally two lines below the failed_regulator label.
Signed-off-by: NBaruch Siach <baruch@tkos.co.il>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/freescale/fec_main.c

@@ -3473,7 +3473,6 @@ fec_probe(struct platform_device *pdev)
 		if (ret) {
 			dev_err(&pdev->dev,
 				"Failed to enable phy regulator: %d\n", ret);
-			clk_disable_unprepare(fep->clk_ipg);
 			goto failed_regulator;
 		}
 	} else {