It looks like there’s no reconciliation in sight for Prince William and Prince Harry. According to royal expert Katie Nicholl, the brothers won’t be making amends anytime soon. “Relations between the Sussexes and the Wales remains at an all-time low. I’m told that William and Harry really are not even on speaking terms,” she told Entertainment Tonight. “There’s a big society wedding in the U.K. tomorrow, and both brothers were invited. Harry very diplomatically declined the invite, because he knew it would just be too awkward for him to be even in a venue as large as Chester Cathedral with his…