message: fix static trajectory test
diff: #include "gtest/gtest.h"
  #include "boost/variant.hpp"
  -#include "bark/commons/params/default_params.hpp"
  #include "bark/models/behavior/static_trajectory/behavior_static_trajectory.hpp"
  #include "bark/world/observed_world.hpp"
  #include "bark/world/tests/make_test_world.hpp"
  @@ -21,7 +20,6 @@ using bark::world::World;
  using bark::world::Agent;
  using bark::world::WorldPtr;
  using bark::world::ObservedWorld;
  -using bark::commons::DefaultParams;
  using bark::world::goal_definition::GoalDefinitionPolygon;
  using bark::geometry::Point2d;
  using bark::geometry::Polygon;
  