By Nick Selbe Houston pulled off the improbable, throwing the second no-hitter in World Series history. View the original article to see embedded media. If a no-hitter takes more than one pitcher to complete, does a tree fall in the forest? That might not be how the actual expression goes, but the topic of combined vs. solo no-hitters was much-discussed Wednesday night following the Astros’ combined no-no against the Phillies in Game 4 of the World Series. Houston used four pitchers to finish the job, leaning on Cristian Javier’s stellar six-inning, nine-strikeout effort. The Astros went on to…