chore(image_projection_based_fusion): rework parameters (#824)

chore(image_projection_based_fusion): use config

Signed-off-by: kminoda <koji.minoda@tier4.jp>

Author: kminoda

autoware_launch/config/perception/object_recognition/detection/lidar_model/pointpainting.param.yaml

@@ -1,5 +1,12 @@
 /**:
   ros__parameters:
+    trt_precision: fp16
+    build_only: false
+    encoder_onnx_path: "$(var model_path)/pts_voxel_encoder_$(var model_name).onnx"
+    encoder_engine_path: "$(var model_path)/pts_voxel_encoder_$(var model_name).engine"
+    head_onnx_path: "$(var model_path)/pts_backbone_neck_head_$(var model_name).onnx"
+    head_engine_path: "$(var model_path)/pts_backbone_neck_head_$(var model_name).engine"
+
     model_params:
       class_names: ["CAR", "TRUCK", "BUS", "BICYCLE", "PEDESTRIAN"]
       paint_class_names: ["CAR", "BICYCLE", "PEDESTRIAN"]