[#819,xlsx][m]: remove data-literate, excel and everything related to the xlsx dependency (#845)

site/lib/data-literate/markdown.js

@@ -1,35 +0,0 @@
-//  Used by Data Literate
-
-import matter from 'gray-matter'
-import toc from 'remark-toc'
-import slug from 'remark-slug'
-import gfm from 'remark-gfm'
-import footnotes from 'remark-footnotes'
-
-import { serialize } from 'next-mdx-remote/serialize'
-
-/**
- * Parse a markdown or MDX file to an MDX source form + front matter data
- *
- * @source: the contents of a markdown or mdx file
- * @returns: { mdxSource: mdxSource, frontMatter: ...}
- */
-const parse = async function(source) {
-  const { content, data } = matter(source)
-
-  const mdxSource = await serialize(content, {
-    // Optionally pass remark/rehype plugins
-    mdxOptions: {
-      remarkPlugins: [gfm, toc, slug, footnotes],
-      rehypePlugins: [],
-    },
-    scope: data,
-  })
-
-  return {
-    mdxSource: mdxSource,
-    frontMatter: data
-  }
-}
-
-export default parse