chore(static_obstacle_avoidance): remove duplicated parameter (autowarefoundation#922)

chore(static_obstacle_avoidance): remoce duplicated parameter

Signed-off-by: Tomohito Ando <tomohito.ando@tier4.jp>

Author: TomohitoAndo

autoware_launch/config/planning/scenario_planning/lane_driving/behavior_planning/behavior_path_planner/autoware_behavior_path_static_obstacle_avoidance_module/static_obstacle_avoidance.param.yaml

@@ -234,8 +234,6 @@
           min_prepare_time: 1.0                         # [s]
           max_prepare_time: 2.0                         # [s]
           min_prepare_distance: 4.0                     # [m]
-          max_prepare_time: 3.0                         # [s]
-          min_prepare_distance: 4.0                     # [m]
           min_slow_down_speed: 1.38                     # [m/s]
           buf_slow_down_speed: 0.56                     # [m/s] FOR DEVELOPER
           nominal_avoidance_speed: 8.33                 # [m/s] FOR DEVELOPER