message: Remove `hljs` class from blocks of unhighlighted code
diff: @@ -54,9 +54,7 @@ function createMarkdown(site, options) {
  }
  }
  - return `<pre class="hljs"><code>${
  - markdown.utils.escapeHtml(code)
  - }</code></pre>`;
  + return `<pre><code>${markdown.utils.escapeHtml(code)}</code></pre>`;
  },
  });
  