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.

utility/high_scores.gd

@@ -1,8 +1,8 @@
 class_name HighScores extends Node
 
-@onready var loaded_data = SaveStateResource.new()
+@onready var loaded_data : SaveStateResource = SaveStateResource.new()
 
-func save():
+func save() -> void:
 	var save_data : SaveStateResource = SaveStateResource.new()
 	
 	save_data.level_1_score = loaded_data.level_1_score
@@ -17,7 +17,7 @@ func save():
 
 	ResourceSaver.save(save_data, "user://savedata.tres")
 
-func load():
+func load() -> void:
 	var save_data : SaveStateResource = load("user://savedata.tres")
 
 	if save_data:
@@ -31,14 +31,14 @@ func load():
 		loaded_data.total_bees_killed = save_data.total_bees_killed
 		loaded_data.total_honey_collected = save_data.total_honey_collected
 
-func add_honey(honey : int):
+func add_honey(honey : int) -> void:
 	loaded_data.total_honey_collected += honey
 
-func add_dead_bees(dead : int):
+func add_dead_bees(dead : int) -> void:
 	loaded_data.total_bees_killed += dead
 
 func update_highscore(level : int, points : int) -> void:
-	var current_highscore = get_level_highscore(level)
+	var current_highscore : int = get_level_highscore(level)
 
 	if points > current_highscore:
 		match level:
@@ -56,11 +56,11 @@ func update_highscore(level : int, points : int) -> void:
 				loaded_data.level_6_score = points
 	pass
 
-func debug_save_high_score():
+func debug_save_high_score() -> void:
 	loaded_data.level_1_score = 3000
 	save()
 
-func debug_output():
+func debug_output() -> void:
 	Log.pr("High Scores", loaded_data.level_1_score)
 
 func get_level_highscore(level : int) -> int: