Simplify root Makefile to just invoke cmake for everything
Simplify root Makefile to just invoke cmake for everything

* It was building qrenderdoc separately for no good reason that I can
  tell.

cgmb/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,Anteru/renderdoc,victor-moya/renderdoc,Yours3lf/renderdoc,baldurk/renderdoc,cgmb/renderdoc,etnlGD/renderdoc,moradin/renderdoc,baldurk/renderdoc,victor-moya/renderdoc,michaelrgb/renderdoc,victor-moya/renderdoc,Lssikkes/renderdoc,Velro/renderdoc,Zorro666/renderdoc,googlestadia/renderdoc,Yours3lf/renderdoc,Zorro666/renderdoc,Zorro666/renderdoc,Yours3lf/renderdoc,baldurk/renderdoc,moradin/renderdoc,TurtleRockStudios/renderdoc_public,cgmb/renderdoc,Velro/renderdoc,adrianbu/renderdoc,adrianbu/renderdoc,Lssikkes/renderdoc,TurtleRockStudios/renderdoc_public,moradin/renderdoc,Zorro666/renderdoc,TurtleRockStudios/renderdoc_public,michaelrgb/renderdoc,Velro/renderdoc,adrianbu/renderdoc,adrianbu/renderdoc,michaelrgb/renderdoc,etnlGD/renderdoc,Velro/renderdoc,Anteru/renderdoc,victor-moya/renderdoc,etnlGD/renderdoc,victor-moya/renderdoc,cgmb/renderdoc,etnlGD/renderdoc,michaelrgb/renderdoc,Anteru/renderdoc,TurtleRockStudios/renderdoc_public,Velro/renderdoc,Zorro666/renderdoc,baldurk/renderdoc,moradin/renderdoc,victor-moya/renderdoc,Yours3lf/renderdoc,TurtleRockStudios/renderdoc_public,googlestadia/renderdoc,Anteru/renderdoc,Lssikkes/renderdoc,Yours3lf/renderdoc,googlestadia/renderdoc,Anteru/renderdoc,etnlGD/renderdoc,michaelrgb/renderdoc,adrianbu/renderdoc,Lssikkes/renderdoc,cgmb/renderdoc,Lssikkes/renderdoc,baldurk/renderdoc,Velro/renderdoc,baldurk/renderdoc,moradin/renderdoc,Anteru/renderdoc,etnlGD/renderdoc,Zorro666/renderdoc,Anteru/renderdoc,googlestadia/renderdoc,Yours3lf/renderdoc,adrianbu/renderdoc,Lssikkes/renderdoc,googlestadia/renderdoc,moradin/renderdoc