Taylor Lautner has won the lawsuit he threw against McMahon's RV, but won't be using the settlement money for his own benefit. His attorney Robert Barta told Us Magazine that the "Twilight Saga" hunk will donated the $400,000 he got after reaching a settlement with the RV dealership he sued earlier for failing to deliver his customized trailer in time. "McMahon's RV has agreed to settle its dispu…