Run Jellyfin index creation after column migration

scene_search/database.py

@@ -56,10 +56,6 @@ CREATE TABLE IF NOT EXISTS frames (
 
 CREATE INDEX IF NOT EXISTS idx_frames_media_timestamp
     ON frames(media_id, timestamp_ms);
-
-CREATE UNIQUE INDEX IF NOT EXISTS idx_media_jellyfin_item
-    ON media(jellyfin_item_id)
-    WHERE jellyfin_item_id IS NOT NULL;
 """