Proposed Southwest Village site in Otay Mesa. (Photo by Thomas Melville/Times of San Diego) A plan to create a 5,130-home community in Otay Mesa, with 175,000 square feet of commercial and retail space, will require a judge’s sign-off before moving forward.On Thursday, the San Diego Chapter of the Sierra Club filed a legal petition to stop development of the Otay Mesa Southwest Village, which is slated to be built on a new stretch of Beyer Boule…