enemy can drop key

src/gates.rs

@@ -1,4 +1,4 @@
-use crate::{movables::TriggerMovableEvent, npc::KeyCollected};
+use crate::{keys::KeyCollected, movables::TriggerMovableEvent};
 use bevy::{prelude::*, utils::hashbrown::HashSet};
 
 #[derive(Resource)]
@@ -26,11 +26,6 @@ fn on_key(
             AudioPlayer::new(asset_server.load("sfx/effects/gate.ogg")),
             PlaybackSettings::DESPAWN,
         ));
-        //TODO: put into actual key collect once we have that
-        commands.spawn((
-            AudioPlayer::new(asset_server.load("sfx/effects/key_collect.ogg")),
-            PlaybackSettings::DESPAWN,
-        ));
 
         let entities: HashSet<_> = vec!["fence_01", "fence_02"]
             .into_iter()