feat(autoware_perception_msgs): remove traffic light messages (#70)

Signed-off-by: Takagi, Isamu <isamu.takagi@tier4.jp>

autoware_perception_msgs/CMakeLists.txt

@@ -5,9 +5,7 @@ find_package(ament_cmake_auto REQUIRED)
 ament_auto_find_build_dependencies()
 
 rosidl_generate_interfaces(${PROJECT_NAME}
-  "msg/TrafficLight.msg"
-  "msg/TrafficLightArray.msg"
-  "msg/TrafficLightElement.msg"
+  "msg/TrafficSignalElement.msg"
   "msg/TrafficSignal.msg"
   "msg/TrafficSignalArray.msg"
   DEPENDENCIES

autoware_perception_msgs/README.md

@@ -1,23 +1,15 @@
 # autoware_perception_msgs
 
-## TrafficLightElement.msg
+## TrafficSignalElement.msg
 
-This is the element of traffic lights such as red, amber, green, and turn arrow. The elements are based on Vienna Convention on Road Signs and Signals.
-
-## TrafficLight.msg
-
-For each direction of an intersection, there are typically multiple traffic lights installed for visibility.
-This message represents the traffic light as equipment and is used by components such as perception.
+This is the element of traffic signals such as red, amber, green, and turn arrow.
+The elements are based on Vienna Convention on Road Signs and Signals.
 
 ## TrafficSignal.msg
 
 For each direction of an intersection, there is one state of traffic signal regardless of the number of equipment.
 This message represents the traffic signal as a concept and is used by components such as planning.
 
-## TrafficLightArray.msg
-
-This is a plural type of TrafficLight.msg.
-
 ## TrafficSignalArray.msg
 
 This is a plural type of TrafficSignal.msg.

autoware_perception_msgs/msg/TrafficSignal.msg

@@ -1,2 +1,2 @@
 int64 traffic_signal_id
-autoware_perception_msgs/TrafficLightElement[] elements
+autoware_perception_msgs/TrafficSignalElement[] elements