fix namespace

Author: saka1-s

planning/behavior_velocity_crosswalk_module/src/scene_crosswalk.cpp

@@ -198,7 +198,7 @@ CrosswalkModule::CrosswalkModule(
   collision_info_pub_ =
     node.create_publisher<tier4_debug_msgs::msg::StringStamped>("~/debug/collision_info", 1);
 
-  vehicle_stop_checker_ = std::make_unique<autoware::motion_utils::VehicleStopChecker>(&node);
+  vehicle_stop_checker_ = std::make_unique<motion_utils::VehicleStopChecker>(&node);
 }
 
 bool CrosswalkModule::modifyPathVelocity(PathWithLaneId * path, StopReason * stop_reason)

planning/behavior_velocity_crosswalk_module/src/scene_crosswalk.hpp

@@ -436,7 +436,7 @@ class CrosswalkModule : public SceneModuleInterface
   // Debug
   mutable DebugData debug_data_;
 
-  std::unique_ptr<autoware::motion_utils::VehicleStopChecker> vehicle_stop_checker_{nullptr};
+  std::unique_ptr<motion_utils::VehicleStopChecker> vehicle_stop_checker_{nullptr};
 
   // Stop watch
   StopWatch<std::chrono::milliseconds> stop_watch_;