By Tzvi Machlin There’s still a long ways to go before quarterback Arch Manning has to make his decision on where he’ll play college football. But it looks like the list of potential schools has been reduced all the way down to two. On Wednesday, On3 Sports speculated that Texas and Georgia are the only schools remaining in the Manning sweepstakes. The On3 recruiting analysts said that Alabama’s recent recruitment of four-star quarterback Eli Holstein may have taken them out of the running for Manning. “I think the obvious is it eliminates Alabama,” On3’s Chad Simmons said “I don’t think it re…