remove redundant injected tags

_config.yml

@@ -527,11 +527,9 @@ plugins:
   # https://github.com/KaTeX/KaTeX
   # 使用 hexo-renderer-markdown-it-plus 作为公式渲染器：npm uninstall hexo-renderer-marked --save npm install hexo-renderer-markdown-it-plus --save
   katex:
-    enable: #true # 可以在特定文章的 front-matter 中设置 katex: true 来开启，也可以在这里设置全局开启
+    enable: #true # hexo-renderer-markdown-it-plus 默认开启 katex，此选项仅用于引入样式
     inject: |
       <link rel="stylesheet" href="https://gcore.jsdelivr.net/npm/[email protected]/dist/katex.min.css" integrity="sha384-vKruj+a13U8yHIkAyGgK1J3ArTLzrFGBbBc0tDp4ad/EyewESeXE/Iv67Aj8gKZ0" crossorigin="anonymous">
-      <script defer src="https://gcore.jsdelivr.net/npm/[email protected]/dist/katex.min.js" integrity="sha384-PwRUT/YqbnEjkZO0zZxNqcxACrXe+j766U2amXcgMg5457rve2Y7I6ZJSm2A0mS4" crossorigin="anonymous"></script>
-      <script defer src="https://gcore.jsdelivr.net/npm/[email protected]/dist/contrib/auto-render.min.js" integrity="sha384-+VBxd3r6XgURycqtZ117nYw44OOcIax56Z4dCRWbxyPt0Koah1uHoK0o4+/RRE05" crossorigin="anonymous"onload="renderMathInElement(document.body);"></script>
   
   # MathJax
   # 需在Markdown文件开头加入mathjax: true