Remove unused functions

scripts/stages/1/game_manager.gd

@@ -15,9 +15,6 @@ func _ready():
 	for placement in placements:
 		placement.connect("on_placement", on_game_placement)
 	$CanvasLayer/TowerMenu.connect("build_tower", on_build_tower)
-
-func _process(delta):
-	pass
 	
 func on_game_placement(pos, tower_placement_id):
 	var tower_id = null

scripts/towers/placement/placement.gd

@@ -1,16 +1,9 @@
 extends StaticBody2D
 
+
 signal on_placement(pos: Vector2, tower_placement_id: int)
 
-# Called when the node enters the scene tree for the first time.
-func _ready():
-	pass # Replace with function body.
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta):
-	pass
-
-func _on_input_event(viewport, event, shape_idx):
+func _on_input_event(_viewport, event, _shape_idx):
 	var mouse_click = event as InputEventMouseButton
 	if mouse_click and mouse_click.button_index == 1 and mouse_click.pressed:
 		on_placement.emit(global_position, get_instance_id())

scripts/ui/tower_menu.gd

@@ -15,9 +15,6 @@ var current_disabled_2 = false
 func _ready():
 	hide()
 
-func _process(delta):
-	pass
-
 func _on_close_pressed():
 	hide()