Primetime is about to get Thorpedoed. ABC is reportedly in talks with comedian Rob Riggle to create a Modern Family spinoff based on his character Gil Thorpe. The former Daily Show correspondent is a recurring guest on the hit sitcom, playing an obnoxious, pun-proned, real estate agent rival of Phil Dunphy. It will most likely be a dark drama based on the shady underbelly of Southern California residential real estate called Better Call Gil …