Variety is reporting that Warner Bros. and the TV network the CW are scrapping plans for “The Graysons”, a “Smallville”-style show about the pre-Boy Wonder days of Dick Grayson, known in the Batman mythos as the first Robin. The CW was initially counting on “The Graysons” to fill the void of the likely end of “Smallville”, which tells the story of a young pre-Superman Clark Kent growing up and discovering his powers and heritage, but Jeff Robinov, the Warner Bros group prexy, pulled the plug, though he’d initially given the concept his blessing when first announced. The studio announced that the show would not fit in with immediate future plans…