Deleting movie scene associations before deleting scenes.

src/releases.js

@@ -146,6 +146,10 @@ async function deleteScenes(sceneIds) {
 		return 0;
 	}
 
+	await knex('movies_scenes')
+		.whereIn('release_id', sceneIds)
+		.delete();
+
 	const deleteCount = await knex('releases')
 		.whereIn('id', sceneIds)
 		.delete();