By Layli Foroudi and Elizabeth Pineau AUXERRE, France (Reuters) -French President Emmanuel Macron and far-right challenger Marine Le Pen made final appeals on Friday to undecided voters weighing fears of what a Le Pen presidency could bring against their anger at Macron’s record. According to the latest surveys for Sunday’s run-off, fear may win the day over loathing: Macron the centrist, pro-European incumbent leads his anti-immigration, eurosceptic challenger by 10-14 points, well outside margins of error. But the fact that nearly three in 10 voters say they will not vote or have not made up…