Fixed some more 'UNUSED_ARGUMENT' warnings

Notice_msg.gd

@@ -9,11 +9,11 @@ func _ready():
 	if type == "alert":
 		$Label.add_color_override("font_color", Color(255, 0, 0))
 
-func _process(delta):
+func _process(_delta):
 	$Label.text = message
 
 func _on_TTL_timeout():
 	$AnimationPlayer.play("move_off_screen")
 
-func _on_AnimationPlayer_animation_finished(anim_name):
+func _on_AnimationPlayer_animation_finished(_anim_name):
 	queue_free()