It’s the end of an era. Nearly 25 years after introducing us to the famous “Black Pack,” the “Best Man” cast are saying goodbye to their iconic franchise with Peacock’s “The Final Chapters.” It’s truly been a journey for Harper (Taye Diggs), Lance (Morris Chestnut), Jordan (Nia Long), Robyn (Sanaa Lathan), Shelby (Melissa De Sousa), Quentin (Terrence Howard), Candace (Regina Hall), and Murch (Harold Perrineau), but their growth from Malcolm D. Lee’s 1999 film to 2013’s “The Best Man…