chore: clean remaining internal reference

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: ChanMeng666

packages/parser/src/index.ts

@@ -39,7 +39,7 @@ export async function fetchPlaylistByInput(
       uuid = normalized.uuid;
       break;
     case 'uuid':
-      // Bare UUIDs default to clip interpretation (§9 cross-table); caller
+      // Bare UUIDs default to clip interpretation; caller
       // explicitly asked for playlist, so allow override here.
       uuid = normalized.uuid;
       break;