fix downsample and passthrough

Signed-off-by: vividf <yihsiang.fang@tier4.jp>

Author: vividf

sensing/autoware_pointcloud_preprocessor/docs/downsample-filter.md

@@ -48,7 +48,7 @@ These implementations inherit `autoware::pointcloud_preprocessor::Filter` class,
 
 ### Pickup Based Voxel Grid Downsample Filter
 
-{{ json_to_markdown("sensing/autoware_pointcloud_preprocessor/schema/pickup_based_voxel_grid_downsample_filter.schema.json") }}
+{{ json_to_markdown("sensing/autoware_pointcloud_preprocessor/schema/pickup_based_voxel_grid_downsample_filter_node.schema.json") }}
 
 ## Assumptions / Known limits
 

sensing/autoware_pointcloud_preprocessor/docs/passthrough-filter.md

@@ -25,8 +25,7 @@ The `passthrough_filter` is a node that removes points on the outside of a range
 
 ### Core Parameters
 
-{{ json_to_markdown("sensing/autoware_pointcloud_preprocessor/schema/passthrough_filter_uint16_node.schema.json
-") }}
+{{ json_to_markdown("sensing/autoware_pointcloud_preprocessor/schema/passthrough_filter_uint16_node.schema.json") }}
 
 ## Assumptions / Known limits