By Andrew McCarty Earlier this week, Dale Earnhardt Jr. made it clear he wouldn’t be taking part in major races like the Daytona 500 ever again. “I’m old—47 years old,” Earnhardt said. “I was talking to (Hendrick driver) William Byron. He’s young (24). He’s a risk-taker. I’m done taking risks. I’ve got two little girls I love being around. I’ve put my wife through a lot. She put everything in her world on pause for eight to 10 years so we could do this. “Once you get to a certain age, you’re not willing to go out there and put it all on the line. In that case, I don’t know if you need to be co…