It’s not often that a judge decides to blow up a settlement worth hundreds of millions of dollars because it is too low, but San Francisco attorney Daniel Girard convinced one Silicon Valley jurist to do exactly that. Girard represents a former Adobe engineer who objected to a proposed $324.5 million deal, aimed at resolving an antitrust class action that alleged Apple (AAPL.O), Google (GOOGL.O), Intel (INTC.O) and Adobe (ADBE.O) conspired to refrain from soliciting each other’s employees to avert a salary war. Late last week, U.S.