simplify exports

src/lib/utility/use-state.ts

@@ -1,12 +1,12 @@
-import { episode_progress } from '$lib/context/episode-progress';
-import { user_preferences } from '$lib/context/user-preferences';
+import { podcast_preferences } from '$lib/preferences';
+import { podcast_progress } from '$lib/progress';
 
 export function save_podcast_state() {
-	episode_progress.save_all();
-	user_preferences.save();
+	podcast_progress.save_all();
+	podcast_preferences.save();
 }
 
 export function load_podcast_state() {
-	episode_progress.load_all();
-	user_preferences.load();
+	podcast_progress.load_all();
+	podcast_preferences.load();
 }