Likely human remains have been found washed up on a beach in an exclusive Rhode Island enclave, just a stone’s throw from Taylor Swift’s beachside mansion, cops said. Police were called to the swanky Watch Hill neighborhood at about 9:30 a.m. Wednesday following the grim discovery. “Upon arrival, officers located what appeared to be a human leg bone,” Westerly Police Chief Paul Gingerella told The Post in a statement. “I would never expect anything like that — especially not in Watch Hill.” Investigators are still working to confirm the identity of the remains but cops said no foul play is...