minor code cleanup

scenes/autoload/event_bus.gd

@@ -1,6 +1,7 @@
 extends Node
 
+@warning_ignore("unused_signal")
 signal ball_hit(player: int, velocity: Vector2)
 
-func _ready():
+func _ready() -> void:
 	process_mode = Node.PROCESS_MODE_ALWAYS

scenes/ball/ball.gd

@@ -31,5 +31,6 @@ func _on_hit(hitbox: Area2D) -> void:
 			EventBus.ball_hit.emit(player.id, linear_velocity)
 			is_hit = true
 
+
 func _on_hit_end() -> void:
 	is_hit = false

scenes/hit/hit.gd

@@ -6,9 +6,6 @@ extends Area2D
 func _ready() -> void:
 	timer.connect("timeout", _despawn)
 
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass
-	
+
 func _despawn() -> void:
 	queue_free()