Refactor: Added explicit typing and void return types

- Introduced explicit typing to variables and functions across multiple scripts for better code clarity.
- Specified 'void' as the return type for functions that do not return a value.
- Removed redundant code in some scripts.

entities/scripts/vegetable_patch.gd

@@ -2,11 +2,11 @@
 extends Node2D
 class_name VegetablePatch
 
-@onready var death_box = $DeathBox
+@onready var death_box : Area2D = $DeathBox
 
-func _ready():
+func _ready() -> void:
 	death_box.connect("body_entered", Callable(self, "_on_body_entered"))
 
-func _on_body_entered(area):
+func _on_body_entered(area : Bee) -> void:
 	if area.is_in_group("bee"):
 		area.die()