Reviewed by GREG KINGDirector: David YatesStars: Daniel Radcliffe, Emma Watson, Rupert Grint, Ralph Fiennes, Bill Nighy, Timothy Spall, Jason Isaacs, Rhys Ifans, John Hurt, Helen McCrory, Imelda Staunton, Michael Gambon, Peter Mullan .“These are dark times,” remarks a character in this seventh installment of the lucrative Harry Potter franchise. Indeed, it’s time for Harry (Daniel Radcliffe) and his …