David Prowse, the celebrated bodybuilder and film star who provided the hulking, imposing frame of Darth Vader as the original actor to play the iconic “Star Wars” villain, has died. He was 85.The English actor’s death was announced by his agency Sunday morning.“It’s with great regret and heart-wrenching sadness for us and (millions) of fans around the world, to announce that our client DAVE PROWSE M.B.E. has passed away at the age of 85,” Bowington Management shared in a tweet.Agent Thomas Bowington told NBC News that Prowse died following a short battle with an illness, which was not disclos…