Remove nav2_params.yaml from updown test

nav2_system_tests/src/updown/nav2_params.yaml

-amcl:
-  ros__parameters:
-    use_sim_time: True
-    alpha1: 0.2
-    alpha2: 0.2
-    alpha3: 0.2
-    alpha4: 0.2
-    alpha5: 0.2
-    base_frame_id: "base_footprint"
-    beam_skip_distance: 0.5
-    beam_skip_error_threshold: 0.9
-    beam_skip_threshold: 0.3
-    do_beamskip: false
-    global_frame_id: "map"
-    lambda_short: 0.1
-    laser_likelihood_max_dist: 2.0
-    laser_max_range: 100.0
-    laser_min_range: -1.0
-    laser_model_type: "likelihood_field"
-    set_initial_pose: true
-    initial_pose.x: -2.0
-    initial_pose.y: -0.5
-    initial_pose.z: 0.0
-    initial_pose.yaw: 0.0
-    max_beams: 60
-    max_particles: 2000
-    min_particles: 500
-    odom_frame_id: "odom"
-    pf_err: 0.05
-    pf_z: 0.99
-    recovery_alpha_fast: 0.0
-    recovery_alpha_slow: 0.0
-    resample_interval: 1
-    robot_model_type: "differential"
-    save_pose_rate: 0.5
-    sigma_hit: 0.2
-    tf_broadcast: true
-    transform_tolerance: 1.0
-    update_min_a: 0.2
-    update_min_d: 0.25
-    z_hit: 0.5
-    z_max: 0.05
-    z_rand: 0.5
-    z_short: 0.05
-
-amcl_map_client:
-  ros__parameters:
-    use_sim_time: True
-
-amcl_rclcpp_node:
-  ros__parameters:
-    use_sim_time: True
-
-bt_navigator:
-  ros__parameters:
-    use_sim_time: True
-    bt_xml_filename: "navigate_w_replanning_and_recovery.xml"
-
-bt_navigator_rclcpp_node:
-  ros__parameters:
-    use_sim_time: True
-
-nav2_controller:
-  ros__parameters:
-    use_sim_time: True
-    debug_trajectory_details: True
-    min_vel_x: -0.26
-    min_vel_y: 0.0
-    max_vel_x: 0.26
-    max_vel_y: 0.0
-    max_vel_theta: 1.0
-    min_speed_xy: 0.0
-    # Set max XY speed to a large value so noisy Y data from IMU doesn't
-    # prevent operation. Since this robot has no Y velocity capability, any Y
-    # velocity reported in /odom data is due to slippage or noise, and there is
-    # no need to reduce the robot's operating envelope when generating possible
-    # trajectories.
-    max_speed_xy: 100.0
-    min_speed_theta: 0.0
-    acc_lim_x: 2.5
-    acc_lim_y: 0.0
-    acc_lim_theta: 3.2
-    decel_lim_x: -2.5
-    decel_lim_y: 0.0
-    decel_lim_theta: -3.2
-    ObstacleFootprint.scale: 1.0
-    ObstacleFootprint.max_scaling_factor: 0.2
-    ObstacleFootprint.scaling_speed: 0.25
-    PathAlign.scale: 32.0
-    GoalAlign.scale: 24.0
-    PathDist.scale: 32.0
-    GoalDist.scale: 24.0
-    RotateToGoal.scale: 32.0
-
-nav2_controller_rclcpp_node:
-  ros__parameters:
-    use_sim_time: True
-
-local_costmap:
-  local_costmap:
-    ros__parameters:
-      use_sim_time: True
-      robot_radius: 0.092
-      obstacle_layer:
-        enabled: False
-      always_send_full_costmap: True
-      observation_sources: scan
-      scan:
-        topic: /scan
-        max_obstacle_height: 2.0
-        clearing: True
-        marking: True
-  local_costmap_rclcpp_node:
-    ros__parameters:
-      use_sim_time: True
-
-local_costmap_client:
-  ros__parameters:
-    use_sim_time: True
-
-lifecycle_manager:
-  ros__parameters:
-    use_sim_time: True
-
-lifecycle_manager_client_service_client:
-  ros__parameters:
-    use_sim_time: True
-
-lifecycle_manager_service_client:
-  ros__parameters:
-    use_sim_time: True
-
-map_server:
-  ros__parameters:
-    use_sim_time: True
-    yaml_filename: "turtlebot3_world.yaml"
-
-navfn_planner:
-  ros__parameters:
-    use_sim_time: True
-    tolerance: 0.0
-    use_astar: false
-
-navfn_planner_GetCostmap_client:
-  ros__parameters:
-    use_sim_time: True
-
-navfn_planner_rclcpp_node:
-  ros__parameters:
-    use_sim_time: True
-
-robot_state_publisher:
-  ros__parameters:
-    use_sim_time: True
-
-global_costmap:
-  global_costmap:
-    ros__parameters:
-      use_sim_time: True
-      obstacle_layer:
-        enabled: False
-      always_send_full_costmap: True
-      observation_sources: scan
-      scan:
-        topic: /scan
-        max_obstacle_height: 2.0
-        clearing: True
-        marking: True
-  global_costmap_rclcpp_node:
-    ros__parameters:
-      use_sim_time: True
-
-global_costmap_client:
-  ros__parameters:
-    use_sim_time: True
-
-transform_listener_impl:
-  ros__parameters:
-    use_sim_time: True