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/distractor_drone.gd

@@ -1,12 +1 @@
-class_name DistractorDrone extends Drone
-
-#var dog : Dog = null
-
-func _ready():
-	# Get the dog in the scene (there will only ever be one...)
-	#dog = get_tree().get_first_node_in_group("dog") as Dog
-	#Log.pr(dog)
-	pass
-	
-func _process(_delta):
-	pass
+class_name DistractorDrone extends Drone