message: fix(shared): m2text should remove toc
diff: @@ -9,6 +9,8 @@ const removals: string | RegExp[] = [
  /^[-*]{3,}$/gm,
  // footnotes
  /\[\^.+?\](: .*?$)?/gm,
  + // toc
  + /^[[toc]]$/gm,
  ];
  const replacers: [string | RegExp, string][] = [
  